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Finding the Fourth Proportional to 461,504.32, 636,876.48 and 260,300.32

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Solution

The fourth proportional to 461,504.32, 636,876.48 and 260,300.32 is: 359,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,504.32 : 636,876.48 = 260,300.32 : x
  2. Step 2: Convert to fraction form
    461,504.32/636,876.48 = 260,300.32/x
  3. Step 3: Cross multiply
    461,504.32x = 636,876.48 × 260,300.32
  4. Step 4: Simplify right side
    461,504.32x = 165,779,151,544.47
  5. Step 5: Solve for x
    x = 165,779,151,544.47/461,504.32
  6. Step 6: Final answer
    x = 359,214.73

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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.