Finding the Fourth Proportional to 578,071.20, 867,199.68 and 178,618.08
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Solution
The fourth proportional to 578,071.20, 867,199.68 and 178,618.08 is: 267,955.82
Step by Step Solution
- Step 1: Write the proportion equation
578,071.20 : 867,199.68 = 178,618.08 : x - Step 2: Convert to fraction form
578,071.20/867,199.68 = 178,618.08/x - Step 3: Cross multiply
578,071.20x = 867,199.68 × 178,618.08 - Step 4: Simplify right side
578,071.20x = 154,897,541,818.21 - Step 5: Solve for x
x = 154,897,541,818.21/578,071.20 - Step 6: Final answer
x = 267,955.82
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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.