Home / 398,530.04-549,943.97-224,126.31

Finding the Fourth Proportional to 398,530.04, 549,943.97 and 224,126.31

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Solution

The fourth proportional to 398,530.04, 549,943.97 and 224,126.31 is: 309,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,530.04 : 549,943.97 = 224,126.31 : x
  2. Step 2: Convert to fraction form
    398,530.04/549,943.97 = 224,126.31/x
  3. Step 3: Cross multiply
    398,530.04x = 549,943.97 × 224,126.31
  4. Step 4: Simplify right side
    398,530.04x = 123,256,911,582.22
  5. Step 5: Solve for x
    x = 123,256,911,582.22/398,530.04
  6. Step 6: Final answer
    x = 309,278.85

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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.