Home / 486,142.24-670,875.06-271,280.02

Finding the Fourth Proportional to 486,142.24, 670,875.06 and 271,280.02

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Solution

The fourth proportional to 486,142.24, 670,875.06 and 271,280.02 is: 374,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,142.24 : 670,875.06 = 271,280.02 : x
  2. Step 2: Convert to fraction form
    486,142.24/670,875.06 = 271,280.02/x
  3. Step 3: Cross multiply
    486,142.24x = 670,875.06 × 271,280.02
  4. Step 4: Simplify right side
    486,142.24x = 181,994,999,694.30
  5. Step 5: Solve for x
    x = 181,994,999,694.30/486,142.24
  6. Step 6: Final answer
    x = 374,365.74

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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.