Finding the Fourth Proportional to 134,248.80, 185,217.24 and 83,243.17
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Solution
The fourth proportional to 134,248.80, 185,217.24 and 83,243.17 is: 114,846.99
Step by Step Solution
- Step 1: Write the proportion equation
134,248.80 : 185,217.24 = 83,243.17 : x - Step 2: Convert to fraction form
134,248.80/185,217.24 = 83,243.17/x - Step 3: Cross multiply
134,248.80x = 185,217.24 × 83,243.17 - Step 4: Simplify right side
134,248.80x = 15,418,070,196.25 - Step 5: Solve for x
x = 15,418,070,196.25/134,248.80 - Step 6: Final answer
x = 114,846.99
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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.