Home / 398,264.24-549,603.01-216,975.61

Finding the Fourth Proportional to 398,264.24, 549,603.01 and 216,975.61

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Solution

The fourth proportional to 398,264.24, 549,603.01 and 216,975.61 is: 299,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,264.24 : 549,603.01 = 216,975.61 : x
  2. Step 2: Convert to fraction form
    398,264.24/549,603.01 = 216,975.61/x
  3. Step 3: Cross multiply
    398,264.24x = 549,603.01 × 216,975.61
  4. Step 4: Simplify right side
    398,264.24x = 119,250,449,310.81
  5. Step 5: Solve for x
    x = 119,250,449,310.81/398,264.24
  6. Step 6: Final answer
    x = 299,425.45

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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.