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Finding the Fourth Proportional to 500,088.28, 750,156.59 and 163,128.28

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Solution

The fourth proportional to 500,088.28, 750,156.59 and 163,128.28 is: 244,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,088.28 : 750,156.59 = 163,128.28 : x
  2. Step 2: Convert to fraction form
    500,088.28/750,156.59 = 163,128.28/x
  3. Step 3: Cross multiply
    500,088.28x = 750,156.59 × 163,128.28
  4. Step 4: Simplify right side
    500,088.28x = 122,371,754,257.37
  5. Step 5: Solve for x
    x = 122,371,754,257.37/500,088.28
  6. Step 6: Final answer
    x = 244,700.30

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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.