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Finding the Fourth Proportional to 157,390.04, 235,991.28 and 62,569.28

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Solution

The fourth proportional to 157,390.04, 235,991.28 and 62,569.28 is: 93,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,390.04 : 235,991.28 = 62,569.28 : x
  2. Step 2: Convert to fraction form
    157,390.04/235,991.28 = 62,569.28/x
  3. Step 3: Cross multiply
    157,390.04x = 235,991.28 × 62,569.28
  4. Step 4: Simplify right side
    157,390.04x = 14,765,804,475.88
  5. Step 5: Solve for x
    x = 14,765,804,475.88/157,390.04
  6. Step 6: Final answer
    x = 93,816.64

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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.