Finding the Fourth Proportional to 668,479.08, 1,002,647.28 and 188,695.08
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Solution
The fourth proportional to 668,479.08, 1,002,647.28 and 188,695.08 is: 283,022.48
Step by Step Solution
- Step 1: Write the proportion equation
668,479.08 : 1,002,647.28 = 188,695.08 : x - Step 2: Convert to fraction form
668,479.08/1,002,647.28 = 188,695.08/x - Step 3: Cross multiply
668,479.08x = 1,002,647.28 × 188,695.08 - Step 4: Simplify right side
668,479.08x = 189,194,608,711.38 - Step 5: Solve for x
x = 189,194,608,711.38/668,479.08 - Step 6: Final answer
x = 283,022.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.