Finding the Fourth Proportional to 288,544.68, 432,913.18 and 181,805.42
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Solution
The fourth proportional to 288,544.68, 432,913.18 and 181,805.42 is: 272,768.72
Step by Step Solution
- Step 1: Write the proportion equation
288,544.68 : 432,913.18 = 181,805.42 : x - Step 2: Convert to fraction form
288,544.68/432,913.18 = 181,805.42/x - Step 3: Cross multiply
288,544.68x = 432,913.18 × 181,805.42 - Step 4: Simplify right side
288,544.68x = 78,705,962,513.44 - Step 5: Solve for x
x = 78,705,962,513.44/288,544.68 - Step 6: Final answer
x = 272,768.72
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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.