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Finding the Fourth Proportional to 581,283.84, 871,455.20 and 181,718.88

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Solution

The fourth proportional to 581,283.84, 871,455.20 and 181,718.88 is: 272,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,283.84 : 871,455.20 = 181,718.88 : x
  2. Step 2: Convert to fraction form
    581,283.84/871,455.20 = 181,718.88/x
  3. Step 3: Cross multiply
    581,283.84x = 871,455.20 × 181,718.88
  4. Step 4: Simplify right side
    581,283.84x = 158,359,862,914.18
  5. Step 5: Solve for x
    x = 158,359,862,914.18/581,283.84
  6. Step 6: Final answer
    x = 272,431.22

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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.