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Finding the Fourth Proportional to 461,307.33, 636,495.66 and 280,014.75

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Solution

The fourth proportional to 461,307.33, 636,495.66 and 280,014.75 is: 386,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,307.33 : 636,495.66 = 280,014.75 : x
  2. Step 2: Convert to fraction form
    461,307.33/636,495.66 = 280,014.75/x
  3. Step 3: Cross multiply
    461,307.33x = 636,495.66 × 280,014.75
  4. Step 4: Simplify right side
    461,307.33x = 178,228,173,110.99
  5. Step 5: Solve for x
    x = 178,228,173,110.99/461,307.33
  6. Step 6: Final answer
    x = 386,354.52

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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.