Home / 370,287.28-510,998.08-200,521.60

Finding the Fourth Proportional to 370,287.28, 510,998.08 and 200,521.60

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Solution

The fourth proportional to 370,287.28, 510,998.08 and 200,521.60 is: 276,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,287.28 : 510,998.08 = 200,521.60 : x
  2. Step 2: Convert to fraction form
    370,287.28/510,998.08 = 200,521.60/x
  3. Step 3: Cross multiply
    370,287.28x = 510,998.08 × 200,521.60
  4. Step 4: Simplify right side
    370,287.28x = 102,466,152,598.53
  5. Step 5: Solve for x
    x = 102,466,152,598.53/370,287.28
  6. Step 6: Final answer
    x = 276,720.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.