Home / 403,290.02-556,552.82-219,540.87

Finding the Fourth Proportional to 403,290.02, 556,552.82 and 219,540.87

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Solution

The fourth proportional to 403,290.02, 556,552.82 and 219,540.87 is: 302,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,290.02 : 556,552.82 = 219,540.87 : x
  2. Step 2: Convert to fraction form
    403,290.02/556,552.82 = 219,540.87/x
  3. Step 3: Cross multiply
    403,290.02x = 556,552.82 × 219,540.87
  4. Step 4: Simplify right side
    403,290.02x = 122,186,089,206.05
  5. Step 5: Solve for x
    x = 122,186,089,206.05/403,290.02
  6. Step 6: Final answer
    x = 302,973.26

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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.