Home / 285,095.14-393,475.46-162,587.78

Finding the Fourth Proportional to 285,095.14, 393,475.46 and 162,587.78

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Solution

The fourth proportional to 285,095.14, 393,475.46 and 162,587.78 is: 224,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,095.14 : 393,475.46 = 162,587.78 : x
  2. Step 2: Convert to fraction form
    285,095.14/393,475.46 = 162,587.78/x
  3. Step 3: Cross multiply
    285,095.14x = 393,475.46 × 162,587.78
  4. Step 4: Simplify right side
    285,095.14x = 63,974,301,525.88
  5. Step 5: Solve for x
    x = 63,974,301,525.88/285,095.14
  6. Step 6: Final answer
    x = 224,396.32

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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.