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Finding the Fourth Proportional to 237,632.72, 356,449 and 60,140.64

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Solution

The fourth proportional to 237,632.72, 356,449 and 60,140.64 is: 90,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,632.72 : 356,449 = 60,140.64 : x
  2. Step 2: Convert to fraction form
    237,632.72/356,449 = 60,140.64/x
  3. Step 3: Cross multiply
    237,632.72x = 356,449 × 60,140.64
  4. Step 4: Simplify right side
    237,632.72x = 21,437,070,987.36
  5. Step 5: Solve for x
    x = 21,437,070,987.36/237,632.72
  6. Step 6: Final answer
    x = 90,210.94

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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.