Home / 307,084.56-423,770.31-171,117.96

Finding the Fourth Proportional to 307,084.56, 423,770.31 and 171,117.96

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Solution

The fourth proportional to 307,084.56, 423,770.31 and 171,117.96 is: 236,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,084.56 : 423,770.31 = 171,117.96 : x
  2. Step 2: Convert to fraction form
    307,084.56/423,770.31 = 171,117.96/x
  3. Step 3: Cross multiply
    307,084.56x = 423,770.31 × 171,117.96
  4. Step 4: Simplify right side
    307,084.56x = 72,514,710,955.77
  5. Step 5: Solve for x
    x = 72,514,710,955.77/307,084.56
  6. Step 6: Final answer
    x = 236,139.23

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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.