Finding the Fourth Proportional to 288,239.88, 432,622.19 and 153,417.14
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Solution
The fourth proportional to 288,239.88, 432,622.19 and 153,417.14 is: 230,265.35
Step by Step Solution
- Step 1: Write the proportion equation
288,239.88 : 432,622.19 = 153,417.14 : x - Step 2: Convert to fraction form
288,239.88/432,622.19 = 153,417.14/x - Step 3: Cross multiply
288,239.88x = 432,622.19 × 153,417.14 - Step 4: Simplify right side
288,239.88x = 66,371,656,160.14 - Step 5: Solve for x
x = 66,371,656,160.14/288,239.88 - Step 6: Final answer
x = 230,265.35
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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.