Home / 398,251.44-549,568.04-216,962.51

Finding the Fourth Proportional to 398,251.44, 549,568.04 and 216,962.51

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Solution

The fourth proportional to 398,251.44, 549,568.04 and 216,962.51 is: 299,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,251.44 : 549,568.04 = 216,962.51 : x
  2. Step 2: Convert to fraction form
    398,251.44/549,568.04 = 216,962.51/x
  3. Step 3: Cross multiply
    398,251.44x = 549,568.04 × 216,962.51
  4. Step 4: Simplify right side
    398,251.44x = 119,235,657,541.53
  5. Step 5: Solve for x
    x = 119,235,657,541.53/398,251.44
  6. Step 6: Final answer
    x = 299,397.93

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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.