Home / 571,971.06-857,961.50-145,507.28

Finding the Fourth Proportional to 571,971.06, 857,961.50 and 145,507.28

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Solution

The fourth proportional to 571,971.06, 857,961.50 and 145,507.28 is: 218,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,971.06 : 857,961.50 = 145,507.28 : x
  2. Step 2: Convert to fraction form
    571,971.06/857,961.50 = 145,507.28/x
  3. Step 3: Cross multiply
    571,971.06x = 857,961.50 × 145,507.28
  4. Step 4: Simplify right side
    571,971.06x = 124,839,639,192.38
  5. Step 5: Solve for x
    x = 124,839,639,192.38/571,971.06
  6. Step 6: Final answer
    x = 218,262.16

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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.