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Finding the Fourth Proportional to 369,262.49, 553,952.75 and 156,032.42

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Solution

The fourth proportional to 369,262.49, 553,952.75 and 156,032.42 is: 234,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,262.49 : 553,952.75 = 156,032.42 : x
  2. Step 2: Convert to fraction form
    369,262.49/553,952.75 = 156,032.42/x
  3. Step 3: Cross multiply
    369,262.49x = 553,952.75 × 156,032.42
  4. Step 4: Simplify right side
    369,262.49x = 86,434,584,598.23
  5. Step 5: Solve for x
    x = 86,434,584,598.23/369,262.49
  6. Step 6: Final answer
    x = 234,073.56

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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.