Home / 239,477.52-330,501.15-137,516.34

Finding the Fourth Proportional to 239,477.52, 330,501.15 and 137,516.34

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Solution

The fourth proportional to 239,477.52, 330,501.15 and 137,516.34 is: 189,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,477.52 : 330,501.15 = 137,516.34 : x
  2. Step 2: Convert to fraction form
    239,477.52/330,501.15 = 137,516.34/x
  3. Step 3: Cross multiply
    239,477.52x = 330,501.15 × 137,516.34
  4. Step 4: Simplify right side
    239,477.52x = 45,449,308,513.79
  5. Step 5: Solve for x
    x = 45,449,308,513.79/239,477.52
  6. Step 6: Final answer
    x = 189,785.28

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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.