Home / 510,162.90-764,916.12-243,917.52

Finding the Fourth Proportional to 510,162.90, 764,916.12 and 243,917.52

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Solution

The fourth proportional to 510,162.90, 764,916.12 and 243,917.52 is: 365,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,162.90 : 764,916.12 = 243,917.52 : x
  2. Step 2: Convert to fraction form
    510,162.90/764,916.12 = 243,917.52/x
  3. Step 3: Cross multiply
    510,162.90x = 764,916.12 × 243,917.52
  4. Step 4: Simplify right side
    510,162.90x = 186,576,442,998.42
  5. Step 5: Solve for x
    x = 186,576,442,998.42/510,162.90
  6. Step 6: Final answer
    x = 365,719.35

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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.