Home / 486,000.09-670,680.54-271,140.20

Finding the Fourth Proportional to 486,000.09, 670,680.54 and 271,140.20

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Solution

The fourth proportional to 486,000.09, 670,680.54 and 271,140.20 is: 374,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,000.09 : 670,680.54 = 271,140.20 : x
  2. Step 2: Convert to fraction form
    486,000.09/670,680.54 = 271,140.20/x
  3. Step 3: Cross multiply
    486,000.09x = 670,680.54 × 271,140.20
  4. Step 4: Simplify right side
    486,000.09x = 181,848,452,398.31
  5. Step 5: Solve for x
    x = 181,848,452,398.31/486,000.09
  6. Step 6: Final answer
    x = 374,173.70

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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.