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Finding the Fourth Proportional to 230,897.70, 346,314.15 and 73,142.10

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Solution

The fourth proportional to 230,897.70, 346,314.15 and 73,142.10 is: 109,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,897.70 : 346,314.15 = 73,142.10 : x
  2. Step 2: Convert to fraction form
    230,897.70/346,314.15 = 73,142.10/x
  3. Step 3: Cross multiply
    230,897.70x = 346,314.15 × 73,142.10
  4. Step 4: Simplify right side
    230,897.70x = 25,330,144,190.72
  5. Step 5: Solve for x
    x = 25,330,144,190.72/230,897.70
  6. Step 6: Final answer
    x = 109,702.89

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1.5x scale

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.