Home / 286,532.28-429,531.14-96,860.76

Finding the Fourth Proportional to 286,532.28, 429,531.14 and 96,860.76

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Solution

The fourth proportional to 286,532.28, 429,531.14 and 96,860.76 is: 145,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,532.28 : 429,531.14 = 96,860.76 : x
  2. Step 2: Convert to fraction form
    286,532.28/429,531.14 = 96,860.76/x
  3. Step 3: Cross multiply
    286,532.28x = 429,531.14 × 96,860.76
  4. Step 4: Simplify right side
    286,532.28x = 41,604,712,664.07
  5. Step 5: Solve for x
    x = 41,604,712,664.07/286,532.28
  6. Step 6: Final answer
    x = 145,200.79

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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.