Finding the Fourth Proportional to 261,250.61, 391,678.47 and 134,835.93
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Solution
The fourth proportional to 261,250.61, 391,678.47 and 134,835.93 is: 202,151.99
Step by Step Solution
- Step 1: Write the proportion equation
261,250.61 : 391,678.47 = 134,835.93 : x - Step 2: Convert to fraction form
261,250.61/391,678.47 = 134,835.93/x - Step 3: Cross multiply
261,250.61x = 391,678.47 × 134,835.93 - Step 4: Simplify right side
261,250.61x = 52,812,330,763.43 - Step 5: Solve for x
x = 52,812,330,763.43/261,250.61 - Step 6: Final answer
x = 202,151.99
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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.