Finding the Fourth Proportional to 218,925.68, 328,437.71 and 69,174.95
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Solution
The fourth proportional to 218,925.68, 328,437.71 and 69,174.95 is: 103,777.96
Step by Step Solution
- Step 1: Write the proportion equation
218,925.68 : 328,437.71 = 69,174.95 : x - Step 2: Convert to fraction form
218,925.68/328,437.71 = 69,174.95/x - Step 3: Cross multiply
218,925.68x = 328,437.71 × 69,174.95 - Step 4: Simplify right side
218,925.68x = 22,719,660,179.30 - Step 5: Solve for x
x = 22,719,660,179.30/218,925.68 - Step 6: Final answer
x = 103,777.96
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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.