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Finding the Fourth Proportional to 452,464.80, 678,697.20 and 186,050.40

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Solution

The fourth proportional to 452,464.80, 678,697.20 and 186,050.40 is: 279,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,464.80 : 678,697.20 = 186,050.40 : x
  2. Step 2: Convert to fraction form
    452,464.80/678,697.20 = 186,050.40/x
  3. Step 3: Cross multiply
    452,464.80x = 678,697.20 × 186,050.40
  4. Step 4: Simplify right side
    452,464.80x = 126,271,885,538.88
  5. Step 5: Solve for x
    x = 126,271,885,538.88/452,464.80
  6. Step 6: Final answer
    x = 279,075.60

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.