Finding the Fourth Proportional to 288,179.10, 432,336.69 and 98,641.80
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Solution
The fourth proportional to 288,179.10, 432,336.69 and 98,641.80 is: 147,985.99
Step by Step Solution
- Step 1: Write the proportion equation
288,179.10 : 432,336.69 = 98,641.80 : x - Step 2: Convert to fraction form
288,179.10/432,336.69 = 98,641.80/x - Step 3: Cross multiply
288,179.10x = 432,336.69 × 98,641.80 - Step 4: Simplify right side
288,179.10x = 42,646,469,307.64 - Step 5: Solve for x
x = 42,646,469,307.64/288,179.10 - Step 6: Final answer
x = 147,985.99
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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.