Home / 187,283.51-280,888.61-155,895.20

Finding the Fourth Proportional to 187,283.51, 280,888.61 and 155,895.20

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Solution

The fourth proportional to 187,283.51, 280,888.61 and 155,895.20 is: 233,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,283.51 : 280,888.61 = 155,895.20 : x
  2. Step 2: Convert to fraction form
    187,283.51/280,888.61 = 155,895.20/x
  3. Step 3: Cross multiply
    187,283.51x = 280,888.61 × 155,895.20
  4. Step 4: Simplify right side
    187,283.51x = 43,789,185,780.00
  5. Step 5: Solve for x
    x = 43,789,185,780.00/187,283.51
  6. Step 6: Final answer
    x = 233,812.29

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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.