Finding the Fourth Proportional to 288,261.68, 432,402.24 and 77,901.44
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Solution
The fourth proportional to 288,261.68, 432,402.24 and 77,901.44 is: 116,854.79
Step by Step Solution
- Step 1: Write the proportion equation
288,261.68 : 432,402.24 = 77,901.44 : x - Step 2: Convert to fraction form
288,261.68/432,402.24 = 77,901.44/x - Step 3: Cross multiply
288,261.68x = 432,402.24 × 77,901.44 - Step 4: Simplify right side
288,261.68x = 33,684,757,155.23 - Step 5: Solve for x
x = 33,684,757,155.23/288,261.68 - Step 6: Final answer
x = 116,854.79
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1.5x scale
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.