Home / 397,862.40-549,057.08-216,579.52

Finding the Fourth Proportional to 397,862.40, 549,057.08 and 216,579.52

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Solution

The fourth proportional to 397,862.40, 549,057.08 and 216,579.52 is: 298,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,862.40 : 549,057.08 = 216,579.52 : x
  2. Step 2: Convert to fraction form
    397,862.40/549,057.08 = 216,579.52/x
  3. Step 3: Cross multiply
    397,862.40x = 549,057.08 × 216,579.52
  4. Step 4: Simplify right side
    397,862.40x = 118,914,518,839.00
  5. Step 5: Solve for x
    x = 118,914,518,839.00/397,862.40
  6. Step 6: Final answer
    x = 298,883.53

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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.