Home / 400,301.64-552,312.54-239,085.72

Finding the Fourth Proportional to 400,301.64, 552,312.54 and 239,085.72

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Solution

The fourth proportional to 400,301.64, 552,312.54 and 239,085.72 is: 329,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,301.64 : 552,312.54 = 239,085.72 : x
  2. Step 2: Convert to fraction form
    400,301.64/552,312.54 = 239,085.72/x
  3. Step 3: Cross multiply
    400,301.64x = 552,312.54 × 239,085.72
  4. Step 4: Simplify right side
    400,301.64x = 132,050,041,290.93
  5. Step 5: Solve for x
    x = 132,050,041,290.93/400,301.64
  6. Step 6: Final answer
    x = 329,876.34

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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.