Home / 403,291.35-556,549.14-219,535.20

Finding the Fourth Proportional to 403,291.35, 556,549.14 and 219,535.20

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Solution

The fourth proportional to 403,291.35, 556,549.14 and 219,535.20 is: 302,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,291.35 : 556,549.14 = 219,535.20 : x
  2. Step 2: Convert to fraction form
    403,291.35/556,549.14 = 219,535.20/x
  3. Step 3: Cross multiply
    403,291.35x = 556,549.14 × 219,535.20
  4. Step 4: Simplify right side
    403,291.35x = 122,182,125,204.07
  5. Step 5: Solve for x
    x = 122,182,125,204.07/403,291.35
  6. Step 6: Final answer
    x = 302,962.43

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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.