Home / 380,899.04-570,856.47-181,280.61

Finding the Fourth Proportional to 380,899.04, 570,856.47 and 181,280.61

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Solution

The fourth proportional to 380,899.04, 570,856.47 and 181,280.61 is: 271,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,899.04 : 570,856.47 = 181,280.61 : x
  2. Step 2: Convert to fraction form
    380,899.04/570,856.47 = 181,280.61/x
  3. Step 3: Cross multiply
    380,899.04x = 570,856.47 × 181,280.61
  4. Step 4: Simplify right side
    380,899.04x = 103,485,209,104.05
  5. Step 5: Solve for x
    x = 103,485,209,104.05/380,899.04
  6. Step 6: Final answer
    x = 271,686.72

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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.