Home / 229,731.84-317,044.80-132,955.20

Finding the Fourth Proportional to 229,731.84, 317,044.80 and 132,955.20

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Solution

The fourth proportional to 229,731.84, 317,044.80 and 132,955.20 is: 183,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,731.84 : 317,044.80 = 132,955.20 : x
  2. Step 2: Convert to fraction form
    229,731.84/317,044.80 = 132,955.20/x
  3. Step 3: Cross multiply
    229,731.84x = 317,044.80 × 132,955.20
  4. Step 4: Simplify right side
    229,731.84x = 42,152,754,792.96
  5. Step 5: Solve for x
    x = 42,152,754,792.96/229,731.84
  6. Step 6: Final answer
    x = 183,486.78

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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.