Home / 395,238.35-592,672.95-142,485.55

Finding the Fourth Proportional to 395,238.35, 592,672.95 and 142,485.55

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Solution

The fourth proportional to 395,238.35, 592,672.95 and 142,485.55 is: 213,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,238.35 : 592,672.95 = 142,485.55 : x
  2. Step 2: Convert to fraction form
    395,238.35/592,672.95 = 142,485.55/x
  3. Step 3: Cross multiply
    395,238.35x = 592,672.95 × 142,485.55
  4. Step 4: Simplify right side
    395,238.35x = 84,447,329,769.19
  5. Step 5: Solve for x
    x = 84,447,329,769.19/395,238.35
  6. Step 6: Final answer
    x = 213,661.78

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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.