Finding the Fourth Proportional to 288,519.18, 432,391.88 and 224,554.58
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Solution
The fourth proportional to 288,519.18, 432,391.88 and 224,554.58 is: 336,530.75
Step by Step Solution
- Step 1: Write the proportion equation
288,519.18 : 432,391.88 = 224,554.58 : x - Step 2: Convert to fraction form
288,519.18/432,391.88 = 224,554.58/x - Step 3: Cross multiply
288,519.18x = 432,391.88 × 224,554.58 - Step 4: Simplify right side
288,519.18x = 97,095,577,008.81 - Step 5: Solve for x
x = 97,095,577,008.81/288,519.18 - Step 6: Final answer
x = 336,530.75
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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.