Home / 403,221.41-556,445.51-219,461.29

Finding the Fourth Proportional to 403,221.41, 556,445.51 and 219,461.29

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Solution

The fourth proportional to 403,221.41, 556,445.51 and 219,461.29 is: 302,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,221.41 : 556,445.51 = 219,461.29 : x
  2. Step 2: Convert to fraction form
    403,221.41/556,445.51 = 219,461.29/x
  3. Step 3: Cross multiply
    403,221.41x = 556,445.51 × 219,461.29
  4. Step 4: Simplify right side
    403,221.41x = 122,118,248,342.00
  5. Step 5: Solve for x
    x = 122,118,248,342.00/403,221.41
  6. Step 6: Final answer
    x = 302,856.56

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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.