Home / 319,123.12-440,370.08-175,875.20

Finding the Fourth Proportional to 319,123.12, 440,370.08 and 175,875.20

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Solution

The fourth proportional to 319,123.12, 440,370.08 and 175,875.20 is: 242,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,123.12 : 440,370.08 = 175,875.20 : x
  2. Step 2: Convert to fraction form
    319,123.12/440,370.08 = 175,875.20/x
  3. Step 3: Cross multiply
    319,123.12x = 440,370.08 × 175,875.20
  4. Step 4: Simplify right side
    319,123.12x = 77,450,175,894.02
  5. Step 5: Solve for x
    x = 77,450,175,894.02/319,123.12
  6. Step 6: Final answer
    x = 242,696.85

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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.