Finding the Fourth Proportional to 579,272.08, 868,906.34 and 146,988.70
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Solution
The fourth proportional to 579,272.08, 868,906.34 and 146,988.70 is: 220,482.60
Step by Step Solution
- Step 1: Write the proportion equation
579,272.08 : 868,906.34 = 146,988.70 : x - Step 2: Convert to fraction form
579,272.08/868,906.34 = 146,988.70/x - Step 3: Cross multiply
579,272.08x = 868,906.34 × 146,988.70 - Step 4: Simplify right side
579,272.08x = 127,719,413,338.36 - Step 5: Solve for x
x = 127,719,413,338.36/579,272.08 - Step 6: Final answer
x = 220,482.60
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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.