Finding the Fourth Proportional to 310,947.84, 466,375.28 and 86,284.62
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Solution
The fourth proportional to 310,947.84, 466,375.28 and 86,284.62 is: 129,414.03
Step by Step Solution
- Step 1: Write the proportion equation
310,947.84 : 466,375.28 = 86,284.62 : x - Step 2: Convert to fraction form
310,947.84/466,375.28 = 86,284.62/x - Step 3: Cross multiply
310,947.84x = 466,375.28 × 86,284.62 - Step 4: Simplify right side
310,947.84x = 40,241,013,812.19 - Step 5: Solve for x
x = 40,241,013,812.19/310,947.84 - Step 6: Final answer
x = 129,414.03
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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.