Finding the Fourth Proportional to 297,877.28, 411,070.62 and 163,741.28
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Solution
The fourth proportional to 297,877.28, 411,070.62 and 163,741.28 is: 225,962.95
Step by Step Solution
- Step 1: Write the proportion equation
297,877.28 : 411,070.62 = 163,741.28 : x - Step 2: Convert to fraction form
297,877.28/411,070.62 = 163,741.28/x - Step 3: Cross multiply
297,877.28x = 411,070.62 × 163,741.28 - Step 4: Simplify right side
297,877.28x = 67,309,229,489.19 - Step 5: Solve for x
x = 67,309,229,489.19/297,877.28 - Step 6: Final answer
x = 225,962.95
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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.