Finding the Fourth Proportional to 493,512.18, 681,048.98 and 267,157.68
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Solution
The fourth proportional to 493,512.18, 681,048.98 and 267,157.68 is: 368,678.77
Step by Step Solution
- Step 1: Write the proportion equation
493,512.18 : 681,048.98 = 267,157.68 : x - Step 2: Convert to fraction form
493,512.18/681,048.98 = 267,157.68/x - Step 3: Cross multiply
493,512.18x = 681,048.98 × 267,157.68 - Step 4: Simplify right side
493,512.18x = 181,947,465,463.17 - Step 5: Solve for x
x = 181,947,465,463.17/493,512.18 - Step 6: Final answer
x = 368,678.77
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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.