Home / 299,087.50-448,631.13-88,723.60

Finding the Fourth Proportional to 299,087.50, 448,631.13 and 88,723.60

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Solution

The fourth proportional to 299,087.50, 448,631.13 and 88,723.60 is: 133,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,087.50 : 448,631.13 = 88,723.60 : x
  2. Step 2: Convert to fraction form
    299,087.50/448,631.13 = 88,723.60/x
  3. Step 3: Cross multiply
    299,087.50x = 448,631.13 × 88,723.60
  4. Step 4: Simplify right side
    299,087.50x = 39,804,168,925.67
  5. Step 5: Solve for x
    x = 39,804,168,925.67/299,087.50
  6. Step 6: Final answer
    x = 133,085.36

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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.