Home / 404,868.10-607,302.15-272,157.70

Finding the Fourth Proportional to 404,868.10, 607,302.15 and 272,157.70

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Solution

The fourth proportional to 404,868.10, 607,302.15 and 272,157.70 is: 408,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,868.10 : 607,302.15 = 272,157.70 : x
  2. Step 2: Convert to fraction form
    404,868.10/607,302.15 = 272,157.70/x
  3. Step 3: Cross multiply
    404,868.10x = 607,302.15 × 272,157.70
  4. Step 4: Simplify right side
    404,868.10x = 165,281,956,349.06
  5. Step 5: Solve for x
    x = 165,281,956,349.06/404,868.10
  6. Step 6: Final answer
    x = 408,236.55

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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.