Finding the Fourth Proportional to 288,194,251.68, 397,707,541.56 and 156,035,232
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Solution
The fourth proportional to 288,194,251.68, 397,707,541.56 and 156,035,232 is: 215,328,335.50
Step by Step Solution
- Step 1: Write the proportion equation
288,194,251.68 : 397,707,541.56 = 156,035,232 : x - Step 2: Convert to fraction form
288,194,251.68/397,707,541.56 = 156,035,232/x - Step 3: Cross multiply
288,194,251.68x = 397,707,541.56 × 156,035,232 - Step 4: Simplify right side
288,194,251.68x = 62,056,388,515,464,240 - Step 5: Solve for x
x = 62,056,388,515,464,240/288,194,251.68 - Step 6: Final answer
x = 215,328,335.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.