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Finding the Fourth Proportional to 273,503.90, 410,077.65 and 245,510.30

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Solution

The fourth proportional to 273,503.90, 410,077.65 and 245,510.30 is: 368,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,503.90 : 410,077.65 = 245,510.30 : x
  2. Step 2: Convert to fraction form
    273,503.90/410,077.65 = 245,510.30/x
  3. Step 3: Cross multiply
    273,503.90x = 410,077.65 × 245,510.30
  4. Step 4: Simplify right side
    273,503.90x = 100,678,286,874.80
  5. Step 5: Solve for x
    x = 100,678,286,874.80/273,503.90
  6. Step 6: Final answer
    x = 368,105.49

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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.