Finding the Fourth Proportional to 219,119.24, 328,645.88 and 69,340.04
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Solution
The fourth proportional to 219,119.24, 328,645.88 and 69,340.04 is: 103,999.62
Step by Step Solution
- Step 1: Write the proportion equation
219,119.24 : 328,645.88 = 69,340.04 : x - Step 2: Convert to fraction form
219,119.24/328,645.88 = 69,340.04/x - Step 3: Cross multiply
219,119.24x = 328,645.88 × 69,340.04 - Step 4: Simplify right side
219,119.24x = 22,788,318,465.04 - Step 5: Solve for x
x = 22,788,318,465.04/219,119.24 - Step 6: Final answer
x = 103,999.62
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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.