Finding the Fourth Proportional to 219,125.05, 328,811.51 and 119,292.15
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Solution
The fourth proportional to 219,125.05, 328,811.51 and 119,292.15 is: 179,005.70
Step by Step Solution
- Step 1: Write the proportion equation
219,125.05 : 328,811.51 = 119,292.15 : x - Step 2: Convert to fraction form
219,125.05/328,811.51 = 119,292.15/x - Step 3: Cross multiply
219,125.05x = 328,811.51 × 119,292.15 - Step 4: Simplify right side
219,125.05x = 39,224,631,972.65 - Step 5: Solve for x
x = 39,224,631,972.65/219,125.05 - Step 6: Final answer
x = 179,005.70
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1.5x scale
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.