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Finding the Fourth Proportional to 274,364.70, 411,547.05 and 156,266.70

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Solution

The fourth proportional to 274,364.70, 411,547.05 and 156,266.70 is: 234,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,364.70 : 411,547.05 = 156,266.70 : x
  2. Step 2: Convert to fraction form
    274,364.70/411,547.05 = 156,266.70/x
  3. Step 3: Cross multiply
    274,364.70x = 411,547.05 × 156,266.70
  4. Step 4: Simplify right side
    274,364.70x = 64,311,099,398.24
  5. Step 5: Solve for x
    x = 64,311,099,398.24/274,364.70
  6. Step 6: Final answer
    x = 234,400.05

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1.5x scale

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.