Home / 461,685.12-637,126.08-260,499.84

Finding the Fourth Proportional to 461,685.12, 637,126.08 and 260,499.84

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Solution

The fourth proportional to 461,685.12, 637,126.08 and 260,499.84 is: 359,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,685.12 : 637,126.08 = 260,499.84 : x
  2. Step 2: Convert to fraction form
    461,685.12/637,126.08 = 260,499.84/x
  3. Step 3: Cross multiply
    461,685.12x = 637,126.08 × 260,499.84
  4. Step 4: Simplify right side
    461,685.12x = 165,971,241,899.83
  5. Step 5: Solve for x
    x = 165,971,241,899.83/461,685.12
  6. Step 6: Final answer
    x = 359,490.13

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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.