Home / 397,901.17-549,018.48-236,724.72

Finding the Fourth Proportional to 397,901.17, 549,018.48 and 236,724.72

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Solution

The fourth proportional to 397,901.17, 549,018.48 and 236,724.72 is: 326,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,901.17 : 549,018.48 = 236,724.72 : x
  2. Step 2: Convert to fraction form
    397,901.17/549,018.48 = 236,724.72/x
  3. Step 3: Cross multiply
    397,901.17x = 549,018.48 × 236,724.72
  4. Step 4: Simplify right side
    397,901.17x = 129,966,245,952.83
  5. Step 5: Solve for x
    x = 129,966,245,952.83/397,901.17
  6. Step 6: Final answer
    x = 326,629.46

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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.