Finding the Fourth Proportional to 790,217.75, 1,185,329.70 and 191,177.95
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Solution
The fourth proportional to 790,217.75, 1,185,329.70 and 191,177.95 is: 286,767.66
Step by Step Solution
- Step 1: Write the proportion equation
790,217.75 : 1,185,329.70 = 191,177.95 : x - Step 2: Convert to fraction form
790,217.75/1,185,329.70 = 191,177.95/x - Step 3: Cross multiply
790,217.75x = 1,185,329.70 × 191,177.95 - Step 4: Simplify right side
790,217.75x = 226,608,896,193.47 - Step 5: Solve for x
x = 226,608,896,193.47/790,217.75 - Step 6: Final answer
x = 286,767.66
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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.