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Finding the Fourth Proportional to 240,547.53, 360,714.60 and 128,206.77

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Solution

The fourth proportional to 240,547.53, 360,714.60 and 128,206.77 is: 192,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,547.53 : 360,714.60 = 128,206.77 : x
  2. Step 2: Convert to fraction form
    240,547.53/360,714.60 = 128,206.77/x
  3. Step 3: Cross multiply
    240,547.53x = 360,714.60 × 128,206.77
  4. Step 4: Simplify right side
    240,547.53x = 46,246,053,757.84
  5. Step 5: Solve for x
    x = 46,246,053,757.84/240,547.53
  6. Step 6: Final answer
    x = 192,253.29

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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.