Finding the Fourth Proportional to 288,503.74, 432,711.82 and 101,471.50
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Solution
The fourth proportional to 288,503.74, 432,711.82 and 101,471.50 is: 152,191.85
Step by Step Solution
- Step 1: Write the proportion equation
288,503.74 : 432,711.82 = 101,471.50 : x - Step 2: Convert to fraction form
288,503.74/432,711.82 = 101,471.50/x - Step 3: Cross multiply
288,503.74x = 432,711.82 × 101,471.50 - Step 4: Simplify right side
288,503.74x = 43,907,917,443.13 - Step 5: Solve for x
x = 43,907,917,443.13/288,503.74 - Step 6: Final answer
x = 152,191.85
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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.