Home / 283,058.32-390,458.24-176,890

Finding the Fourth Proportional to 283,058.32, 390,458.24 and 176,890

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Solution

The fourth proportional to 283,058.32, 390,458.24 and 176,890 is: 244,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,058.32 : 390,458.24 = 176,890 : x
  2. Step 2: Convert to fraction form
    283,058.32/390,458.24 = 176,890/x
  3. Step 3: Cross multiply
    283,058.32x = 390,458.24 × 176,890
  4. Step 4: Simplify right side
    283,058.32x = 69,068,158,073.60
  5. Step 5: Solve for x
    x = 69,068,158,073.60/283,058.32
  6. Step 6: Final answer
    x = 244,006.81

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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.