Finding the Fourth Proportional to 212,587.84, 293,360.12 and 132,013.66
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Solution
The fourth proportional to 212,587.84, 293,360.12 and 132,013.66 is: 182,171.96
Step by Step Solution
- Step 1: Write the proportion equation
212,587.84 : 293,360.12 = 132,013.66 : x - Step 2: Convert to fraction form
212,587.84/293,360.12 = 132,013.66/x - Step 3: Cross multiply
212,587.84x = 293,360.12 × 132,013.66 - Step 4: Simplify right side
212,587.84x = 38,727,543,139.24 - Step 5: Solve for x
x = 38,727,543,139.24/212,587.84 - Step 6: Final answer
x = 182,171.96
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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.