Finding the Fourth Proportional to 219,207.70, 328,811.55 and 174,920.95
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Solution
The fourth proportional to 219,207.70, 328,811.55 and 174,920.95 is: 262,381.43
Step by Step Solution
- Step 1: Write the proportion equation
219,207.70 : 328,811.55 = 174,920.95 : x - Step 2: Convert to fraction form
219,207.70/328,811.55 = 174,920.95/x - Step 3: Cross multiply
219,207.70x = 328,811.55 × 174,920.95 - Step 4: Simplify right side
219,207.70x = 57,516,028,696.97 - Step 5: Solve for x
x = 57,516,028,696.97/219,207.70 - Step 6: Final answer
x = 262,381.43
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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.