Home / 403,810.61-557,256.26-220,048.85

Finding the Fourth Proportional to 403,810.61, 557,256.26 and 220,048.85

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Solution

The fourth proportional to 403,810.61, 557,256.26 and 220,048.85 is: 303,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,810.61 : 557,256.26 = 220,048.85 : x
  2. Step 2: Convert to fraction form
    403,810.61/557,256.26 = 220,048.85/x
  3. Step 3: Cross multiply
    403,810.61x = 557,256.26 × 220,048.85
  4. Step 4: Simplify right side
    403,810.61x = 122,623,595,281.78
  5. Step 5: Solve for x
    x = 122,623,595,281.78/403,810.61
  6. Step 6: Final answer
    x = 303,666.11

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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.