Finding the Fourth Proportional to 288,339.93, 432,602.43 and 138,591.08
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Solution
The fourth proportional to 288,339.93, 432,602.43 and 138,591.08 is: 207,931.09
Step by Step Solution
- Step 1: Write the proportion equation
288,339.93 : 432,602.43 = 138,591.08 : x - Step 2: Convert to fraction form
288,339.93/432,602.43 = 138,591.08/x - Step 3: Cross multiply
288,339.93x = 432,602.43 × 138,591.08 - Step 4: Simplify right side
288,339.93x = 59,954,835,821.31 - Step 5: Solve for x
x = 59,954,835,821.31/288,339.93 - Step 6: Final answer
x = 207,931.09
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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.