Home / 285,933.16-428,775.15-96,358.21

Finding the Fourth Proportional to 285,933.16, 428,775.15 and 96,358.21

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Solution

The fourth proportional to 285,933.16, 428,775.15 and 96,358.21 is: 144,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,933.16 : 428,775.15 = 96,358.21 : x
  2. Step 2: Convert to fraction form
    285,933.16/428,775.15 = 96,358.21/x
  3. Step 3: Cross multiply
    285,933.16x = 428,775.15 × 96,358.21
  4. Step 4: Simplify right side
    285,933.16x = 41,316,005,946.48
  5. Step 5: Solve for x
    x = 41,316,005,946.48/285,933.16
  6. Step 6: Final answer
    x = 144,495.33

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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.