Finding the Fourth Proportional to 288,177.19, 432,265.78 and 98,640.02
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Solution
The fourth proportional to 288,177.19, 432,265.78 and 98,640.02 is: 147,960.03
Step by Step Solution
- Step 1: Write the proportion equation
288,177.19 : 432,265.78 = 98,640.02 : x - Step 2: Convert to fraction form
288,177.19/432,265.78 = 98,640.02/x - Step 3: Cross multiply
288,177.19x = 432,265.78 × 98,640.02 - Step 4: Simplify right side
288,177.19x = 42,638,705,184.52 - Step 5: Solve for x
x = 42,638,705,184.52/288,177.19 - Step 6: Final answer
x = 147,960.03
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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.