Home / 517,152.16-775,481.68-180,151.36

Finding the Fourth Proportional to 517,152.16, 775,481.68 and 180,151.36

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Solution

The fourth proportional to 517,152.16, 775,481.68 and 180,151.36 is: 270,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,152.16 : 775,481.68 = 180,151.36 : x
  2. Step 2: Convert to fraction form
    517,152.16/775,481.68 = 180,151.36/x
  3. Step 3: Cross multiply
    517,152.16x = 775,481.68 × 180,151.36
  4. Step 4: Simplify right side
    517,152.16x = 139,704,079,307.09
  5. Step 5: Solve for x
    x = 139,704,079,307.09/517,152.16
  6. Step 6: Final answer
    x = 270,141.15

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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.