Home / 299,126.37-448,521.15-99,339.66

Finding the Fourth Proportional to 299,126.37, 448,521.15 and 99,339.66

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Solution

The fourth proportional to 299,126.37, 448,521.15 and 99,339.66 is: 148,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,126.37 : 448,521.15 = 99,339.66 : x
  2. Step 2: Convert to fraction form
    299,126.37/448,521.15 = 99,339.66/x
  3. Step 3: Cross multiply
    299,126.37x = 448,521.15 × 99,339.66
  4. Step 4: Simplify right side
    299,126.37x = 44,555,938,543.81
  5. Step 5: Solve for x
    x = 44,555,938,543.81/299,126.37
  6. Step 6: Final answer
    x = 148,953.56

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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.