Home / 307,089.60-423,772.86-171,116.52

Finding the Fourth Proportional to 307,089.60, 423,772.86 and 171,116.52

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Solution

The fourth proportional to 307,089.60, 423,772.86 and 171,116.52 is: 236,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,089.60 : 423,772.86 = 171,116.52 : x
  2. Step 2: Convert to fraction form
    307,089.60/423,772.86 = 171,116.52/x
  3. Step 3: Cross multiply
    307,089.60x = 423,772.86 × 171,116.52
  4. Step 4: Simplify right side
    307,089.60x = 72,514,537,073.65
  5. Step 5: Solve for x
    x = 72,514,537,073.65/307,089.60
  6. Step 6: Final answer
    x = 236,134.79

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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.