Home / 404,184.12-557,787.54-220,432.68

Finding the Fourth Proportional to 404,184.12, 557,787.54 and 220,432.68

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Solution

The fourth proportional to 404,184.12, 557,787.54 and 220,432.68 is: 304,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,184.12 : 557,787.54 = 220,432.68 : x
  2. Step 2: Convert to fraction form
    404,184.12/557,787.54 = 220,432.68/x
  3. Step 3: Cross multiply
    404,184.12x = 557,787.54 × 220,432.68
  4. Step 4: Simplify right side
    404,184.12x = 122,954,602,312.81
  5. Step 5: Solve for x
    x = 122,954,602,312.81/404,184.12
  6. Step 6: Final answer
    x = 304,204.44

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1.5x scale

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.