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Finding the Fourth Proportional to 608,348.71, 912,381.51 and 229,307.59

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Solution

The fourth proportional to 608,348.71, 912,381.51 and 229,307.59 is: 343,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,348.71 : 912,381.51 = 229,307.59 : x
  2. Step 2: Convert to fraction form
    608,348.71/912,381.51 = 229,307.59/x
  3. Step 3: Cross multiply
    608,348.71x = 912,381.51 × 229,307.59
  4. Step 4: Simplify right side
    608,348.71x = 209,216,005,218.66
  5. Step 5: Solve for x
    x = 209,216,005,218.66/608,348.71
  6. Step 6: Final answer
    x = 343,908.03

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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.