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Finding the Fourth Proportional to 297,340.79, 410,118.30 and 272,890.35

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Solution

The fourth proportional to 297,340.79, 410,118.30 and 272,890.35 is: 376,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,340.79 : 410,118.30 = 272,890.35 : x
  2. Step 2: Convert to fraction form
    297,340.79/410,118.30 = 272,890.35/x
  3. Step 3: Cross multiply
    297,340.79x = 410,118.30 × 272,890.35
  4. Step 4: Simplify right side
    297,340.79x = 111,917,326,428.41
  5. Step 5: Solve for x
    x = 111,917,326,428.41/297,340.79
  6. Step 6: Final answer
    x = 376,394.13

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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.