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Finding the Fourth Proportional to 297,681, 410,804.64 and 170,426.76

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Solution

The fourth proportional to 297,681, 410,804.64 and 170,426.76 is: 235,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,681 : 410,804.64 = 170,426.76 : x
  2. Step 2: Convert to fraction form
    297,681/410,804.64 = 170,426.76/x
  3. Step 3: Cross multiply
    297,681x = 410,804.64 × 170,426.76
  4. Step 4: Simplify right side
    297,681x = 70,012,103,788.17
  5. Step 5: Solve for x
    x = 70,012,103,788.17/297,681
  6. Step 6: Final answer
    x = 235,191.71

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1.5x scale

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.