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Finding the Fourth Proportional to 291,333.70, 437,000.55 and 202,860.10

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Solution

The fourth proportional to 291,333.70, 437,000.55 and 202,860.10 is: 304,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,333.70 : 437,000.55 = 202,860.10 : x
  2. Step 2: Convert to fraction form
    291,333.70/437,000.55 = 202,860.10/x
  3. Step 3: Cross multiply
    291,333.70x = 437,000.55 × 202,860.10
  4. Step 4: Simplify right side
    291,333.70x = 88,649,975,273.06
  5. Step 5: Solve for x
    x = 88,649,975,273.06/291,333.70
  6. Step 6: Final answer
    x = 304,290.15

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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.