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Finding the Fourth Proportional to 254,437.80, 381,656.70 and 64,897.80

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Solution

The fourth proportional to 254,437.80, 381,656.70 and 64,897.80 is: 97,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,437.80 : 381,656.70 = 64,897.80 : x
  2. Step 2: Convert to fraction form
    254,437.80/381,656.70 = 64,897.80/x
  3. Step 3: Cross multiply
    254,437.80x = 381,656.70 × 64,897.80
  4. Step 4: Simplify right side
    254,437.80x = 24,768,680,185.26
  5. Step 5: Solve for x
    x = 24,768,680,185.26/254,437.80
  6. Step 6: Final answer
    x = 97,346.70

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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.