Home / 461,635.18-637,162.80-270,710.08

Finding the Fourth Proportional to 461,635.18, 637,162.80 and 270,710.08

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Solution

The fourth proportional to 461,635.18, 637,162.80 and 270,710.08 is: 373,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,635.18 : 637,162.80 = 270,710.08 : x
  2. Step 2: Convert to fraction form
    461,635.18/637,162.80 = 270,710.08/x
  3. Step 3: Cross multiply
    461,635.18x = 637,162.80 × 270,710.08
  4. Step 4: Simplify right side
    461,635.18x = 172,486,392,561.02
  5. Step 5: Solve for x
    x = 172,486,392,561.02/461,635.18
  6. Step 6: Final answer
    x = 373,642.22

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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.