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Finding the Fourth Proportional to 410,956.61, 567,118.29 and 229,668.39

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Solution

The fourth proportional to 410,956.61, 567,118.29 and 229,668.39 is: 316,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,956.61 : 567,118.29 = 229,668.39 : x
  2. Step 2: Convert to fraction form
    410,956.61/567,118.29 = 229,668.39/x
  3. Step 3: Cross multiply
    410,956.61x = 567,118.29 × 229,668.39
  4. Step 4: Simplify right side
    410,956.61x = 130,249,144,603.85
  5. Step 5: Solve for x
    x = 130,249,144,603.85/410,956.61
  6. Step 6: Final answer
    x = 316,941.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.