Home / 299,127.12-448,300.26-121,426.08

Finding the Fourth Proportional to 299,127.12, 448,300.26 and 121,426.08

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Solution

The fourth proportional to 299,127.12, 448,300.26 and 121,426.08 is: 181,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,127.12 : 448,300.26 = 121,426.08 : x
  2. Step 2: Convert to fraction form
    299,127.12/448,300.26 = 121,426.08/x
  3. Step 3: Cross multiply
    299,127.12x = 448,300.26 × 121,426.08
  4. Step 4: Simplify right side
    299,127.12x = 54,435,343,234.78
  5. Step 5: Solve for x
    x = 54,435,343,234.78/299,127.12
  6. Step 6: Final answer
    x = 181,980.63

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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.