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Finding the Fourth Proportional to 404,031, 606,133.98 and 154,713

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Solution

The fourth proportional to 404,031, 606,133.98 and 154,713 is: 232,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,031 : 606,133.98 = 154,713 : x
  2. Step 2: Convert to fraction form
    404,031/606,133.98 = 154,713/x
  3. Step 3: Cross multiply
    404,031x = 606,133.98 × 154,713
  4. Step 4: Simplify right side
    404,031x = 93,776,806,447.74
  5. Step 5: Solve for x
    x = 93,776,806,447.74/404,031
  6. Step 6: Final answer
    x = 232,103.00

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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.