Finding the Fourth Proportional to 118,565.68, 163,625.88 and 68,280.88
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Solution
The fourth proportional to 118,565.68, 163,625.88 and 68,280.88 is: 94,230.63
Step by Step Solution
- Step 1: Write the proportion equation
118,565.68 : 163,625.88 = 68,280.88 : x - Step 2: Convert to fraction form
118,565.68/163,625.88 = 68,280.88/x - Step 3: Cross multiply
118,565.68x = 163,625.88 × 68,280.88 - Step 4: Simplify right side
118,565.68x = 11,172,519,077.17 - Step 5: Solve for x
x = 11,172,519,077.17/118,565.68 - Step 6: Final answer
x = 94,230.63
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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.