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Finding the Fourth Proportional to 266,927.60, 368,360.12 and 146,068.91

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Solution

The fourth proportional to 266,927.60, 368,360.12 and 146,068.91 is: 201,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,927.60 : 368,360.12 = 146,068.91 : x
  2. Step 2: Convert to fraction form
    266,927.60/368,360.12 = 146,068.91/x
  3. Step 3: Cross multiply
    266,927.60x = 368,360.12 × 146,068.91
  4. Step 4: Simplify right side
    266,927.60x = 53,805,960,572.83
  5. Step 5: Solve for x
    x = 53,805,960,572.83/266,927.60
  6. Step 6: Final answer
    x = 201,575.11

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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.