Home / 315,118.35-472,283.33-157,390.83

Finding the Fourth Proportional to 315,118.35, 472,283.33 and 157,390.83

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Solution

The fourth proportional to 315,118.35, 472,283.33 and 157,390.83 is: 235,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,118.35 : 472,283.33 = 157,390.83 : x
  2. Step 2: Convert to fraction form
    315,118.35/472,283.33 = 157,390.83/x
  3. Step 3: Cross multiply
    315,118.35x = 472,283.33 × 157,390.83
  4. Step 4: Simplify right side
    315,118.35x = 74,333,064,516.91
  5. Step 5: Solve for x
    x = 74,333,064,516.91/315,118.35
  6. Step 6: Final answer
    x = 235,889.36

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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.