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Finding the Fourth Proportional to 293,255.84, 439,686.48 and 135,397.28

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Solution

The fourth proportional to 293,255.84, 439,686.48 and 135,397.28 is: 203,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,255.84 : 439,686.48 = 135,397.28 : x
  2. Step 2: Convert to fraction form
    293,255.84/439,686.48 = 135,397.28/x
  3. Step 3: Cross multiply
    293,255.84x = 439,686.48 × 135,397.28
  4. Step 4: Simplify right side
    293,255.84x = 59,532,353,444.77
  5. Step 5: Solve for x
    x = 59,532,353,444.77/293,255.84
  6. Step 6: Final answer
    x = 203,004.84

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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.