Finding the Fourth Proportional to 288,340.93, 432,603.93 and 138,592.08
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Solution
The fourth proportional to 288,340.93, 432,603.93 and 138,592.08 is: 207,932.60
Step by Step Solution
- Step 1: Write the proportion equation
288,340.93 : 432,603.93 = 138,592.08 : x - Step 2: Convert to fraction form
288,340.93/432,603.93 = 138,592.08/x - Step 3: Cross multiply
288,340.93x = 432,603.93 × 138,592.08 - Step 4: Simplify right side
288,340.93x = 59,955,478,474.87 - Step 5: Solve for x
x = 59,955,478,474.87/288,340.93 - Step 6: Final answer
x = 207,932.60
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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.