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Finding the Fourth Proportional to 237,420.84, 327,628.28 and 129,970.28

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Solution

The fourth proportional to 237,420.84, 327,628.28 and 129,970.28 is: 179,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,420.84 : 327,628.28 = 129,970.28 : x
  2. Step 2: Convert to fraction form
    237,420.84/327,628.28 = 129,970.28/x
  3. Step 3: Cross multiply
    237,420.84x = 327,628.28 × 129,970.28
  4. Step 4: Simplify right side
    237,420.84x = 42,581,939,287.52
  5. Step 5: Solve for x
    x = 42,581,939,287.52/237,420.84
  6. Step 6: Final answer
    x = 179,352.15

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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.