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Finding the Fourth Proportional to 337,870.40, 466,255.20 and 194,630

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Solution

The fourth proportional to 337,870.40, 466,255.20 and 194,630 is: 268,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,870.40 : 466,255.20 = 194,630 : x
  2. Step 2: Convert to fraction form
    337,870.40/466,255.20 = 194,630/x
  3. Step 3: Cross multiply
    337,870.40x = 466,255.20 × 194,630
  4. Step 4: Simplify right side
    337,870.40x = 90,747,249,576
  5. Step 5: Solve for x
    x = 90,747,249,576/337,870.40
  6. Step 6: Final answer
    x = 268,585.97

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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.