Home / 246,386.20-340,013.78-133,209.76

Finding the Fourth Proportional to 246,386.20, 340,013.78 and 133,209.76

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Solution

The fourth proportional to 246,386.20, 340,013.78 and 133,209.76 is: 183,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,386.20 : 340,013.78 = 133,209.76 : x
  2. Step 2: Convert to fraction form
    246,386.20/340,013.78 = 133,209.76/x
  3. Step 3: Cross multiply
    246,386.20x = 340,013.78 × 133,209.76
  4. Step 4: Simplify right side
    246,386.20x = 45,293,154,030.49
  5. Step 5: Solve for x
    x = 45,293,154,030.49/246,386.20
  6. Step 6: Final answer
    x = 183,829.91

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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.