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Finding the Fourth Proportional to 452,852.40, 678,846.60 and 168,466.80

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Solution

The fourth proportional to 452,852.40, 678,846.60 and 168,466.80 is: 252,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,852.40 : 678,846.60 = 168,466.80 : x
  2. Step 2: Convert to fraction form
    452,852.40/678,846.60 = 168,466.80/x
  3. Step 3: Cross multiply
    452,852.40x = 678,846.60 × 168,466.80
  4. Step 4: Simplify right side
    452,852.40x = 114,363,114,392.88
  5. Step 5: Solve for x
    x = 114,363,114,392.88/452,852.40
  6. Step 6: Final answer
    x = 252,539.49

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1.5x scale

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.