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Finding the Fourth Proportional to 590,478.18, 885,857.87 and 191,119.02

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Solution

The fourth proportional to 590,478.18, 885,857.87 and 191,119.02 is: 286,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,478.18 : 885,857.87 = 191,119.02 : x
  2. Step 2: Convert to fraction form
    590,478.18/885,857.87 = 191,119.02/x
  3. Step 3: Cross multiply
    590,478.18x = 885,857.87 × 191,119.02
  4. Step 4: Simplify right side
    590,478.18x = 169,304,287,973.69
  5. Step 5: Solve for x
    x = 169,304,287,973.69/590,478.18
  6. Step 6: Final answer
    x = 286,724.04

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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.