Finding the Fourth Proportional to 227,320.98, 313,641.42 and 129,202.85
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Solution
The fourth proportional to 227,320.98, 313,641.42 and 129,202.85 is: 178,264.95
Step by Step Solution
- Step 1: Write the proportion equation
227,320.98 : 313,641.42 = 129,202.85 : x - Step 2: Convert to fraction form
227,320.98/313,641.42 = 129,202.85/x - Step 3: Cross multiply
227,320.98x = 313,641.42 × 129,202.85 - Step 4: Simplify right side
227,320.98x = 40,523,363,773.84 - Step 5: Solve for x
x = 40,523,363,773.84/227,320.98 - Step 6: Final answer
x = 178,264.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.