Home / 250,127.30-345,210.10-153,389

Finding the Fourth Proportional to 250,127.30, 345,210.10 and 153,389

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Solution

The fourth proportional to 250,127.30, 345,210.10 and 153,389 is: 211,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,127.30 : 345,210.10 = 153,389 : x
  2. Step 2: Convert to fraction form
    250,127.30/345,210.10 = 153,389/x
  3. Step 3: Cross multiply
    250,127.30x = 345,210.10 × 153,389
  4. Step 4: Simplify right side
    250,127.30x = 52,951,431,261.96
  5. Step 5: Solve for x
    x = 52,951,431,261.96/250,127.30
  6. Step 6: Final answer
    x = 211,697.93

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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.