Home / 397,853.45-549,044.76-216,570.59

Finding the Fourth Proportional to 397,853.45, 549,044.76 and 216,570.59

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Solution

The fourth proportional to 397,853.45, 549,044.76 and 216,570.59 is: 298,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,853.45 : 549,044.76 = 216,570.59 : x
  2. Step 2: Convert to fraction form
    397,853.45/549,044.76 = 216,570.59/x
  3. Step 3: Cross multiply
    397,853.45x = 549,044.76 × 216,570.59
  4. Step 4: Simplify right side
    397,853.45x = 118,906,944,864.39
  5. Step 5: Solve for x
    x = 118,906,944,864.39/397,853.45
  6. Step 6: Final answer
    x = 298,871.22

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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.