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Finding the Fourth Proportional to 291,702.66, 437,553.98 and 94,710.66

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Solution

The fourth proportional to 291,702.66, 437,553.98 and 94,710.66 is: 142,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,702.66 : 437,553.98 = 94,710.66 : x
  2. Step 2: Convert to fraction form
    291,702.66/437,553.98 = 94,710.66/x
  3. Step 3: Cross multiply
    291,702.66x = 437,553.98 × 94,710.66
  4. Step 4: Simplify right side
    291,702.66x = 41,441,025,004.96
  5. Step 5: Solve for x
    x = 41,441,025,004.96/291,702.66
  6. Step 6: Final answer
    x = 142,065.98

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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.