Home / 438,068.10-657,053.55-122,556.90

Finding the Fourth Proportional to 438,068.10, 657,053.55 and 122,556.90

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Solution

The fourth proportional to 438,068.10, 657,053.55 and 122,556.90 is: 183,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,068.10 : 657,053.55 = 122,556.90 : x
  2. Step 2: Convert to fraction form
    438,068.10/657,053.55 = 122,556.90/x
  3. Step 3: Cross multiply
    438,068.10x = 657,053.55 × 122,556.90
  4. Step 4: Simplify right side
    438,068.10x = 80,526,446,222.00
  5. Step 5: Solve for x
    x = 80,526,446,222.00/438,068.10
  6. Step 6: Final answer
    x = 183,821.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.