Home / 204,045.80-306,068.70-154,279.40

Finding the Fourth Proportional to 204,045.80, 306,068.70 and 154,279.40

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Solution

The fourth proportional to 204,045.80, 306,068.70 and 154,279.40 is: 231,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,045.80 : 306,068.70 = 154,279.40 : x
  2. Step 2: Convert to fraction form
    204,045.80/306,068.70 = 154,279.40/x
  3. Step 3: Cross multiply
    204,045.80x = 306,068.70 × 154,279.40
  4. Step 4: Simplify right side
    204,045.80x = 47,220,095,394.78
  5. Step 5: Solve for x
    x = 47,220,095,394.78/204,045.80
  6. Step 6: Final answer
    x = 231,419.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.