Finding the Fourth Proportional to 264,143.88, 396,265.14 and 86,701.68
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Solution
The fourth proportional to 264,143.88, 396,265.14 and 86,701.68 is: 130,068.71
Step by Step Solution
- Step 1: Write the proportion equation
264,143.88 : 396,265.14 = 86,701.68 : x - Step 2: Convert to fraction form
264,143.88/396,265.14 = 86,701.68/x - Step 3: Cross multiply
264,143.88x = 396,265.14 × 86,701.68 - Step 4: Simplify right side
264,143.88x = 34,356,853,363.44 - Step 5: Solve for x
x = 34,356,853,363.44/264,143.88 - Step 6: Final answer
x = 130,068.71
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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.