Home / 490,050.26-676,302.90-272,285.18

Finding the Fourth Proportional to 490,050.26, 676,302.90 and 272,285.18

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Solution

The fourth proportional to 490,050.26, 676,302.90 and 272,285.18 is: 375,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,050.26 : 676,302.90 = 272,285.18 : x
  2. Step 2: Convert to fraction form
    490,050.26/676,302.90 = 272,285.18/x
  3. Step 3: Cross multiply
    490,050.26x = 676,302.90 × 272,285.18
  4. Step 4: Simplify right side
    490,050.26x = 184,147,256,861.02
  5. Step 5: Solve for x
    x = 184,147,256,861.02/490,050.26
  6. Step 6: Final answer
    x = 375,772.18

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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.