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Finding the Fourth Proportional to 269,952, 372,533.79 and 156,782.04

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Solution

The fourth proportional to 269,952, 372,533.79 and 156,782.04 is: 216,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,952 : 372,533.79 = 156,782.04 : x
  2. Step 2: Convert to fraction form
    269,952/372,533.79 = 156,782.04/x
  3. Step 3: Cross multiply
    269,952x = 372,533.79 × 156,782.04
  4. Step 4: Simplify right side
    269,952x = 58,406,607,565.13
  5. Step 5: Solve for x
    x = 58,406,607,565.13/269,952
  6. Step 6: Final answer
    x = 216,359.23

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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.