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Finding the Fourth Proportional to 239,462.34, 330,443.60 and 137,465.52

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Solution

The fourth proportional to 239,462.34, 330,443.60 and 137,465.52 is: 189,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,462.34 : 330,443.60 = 137,465.52 : x
  2. Step 2: Convert to fraction form
    239,462.34/330,443.60 = 137,465.52/x
  3. Step 3: Cross multiply
    239,462.34x = 330,443.60 × 137,465.52
  4. Step 4: Simplify right side
    239,462.34x = 45,424,600,617.34
  5. Step 5: Solve for x
    x = 45,424,600,617.34/239,462.34
  6. Step 6: Final answer
    x = 189,694.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.