Finding the Fourth Proportional to 260,948.79, 391,516.47 and 160,992.63
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Solution
The fourth proportional to 260,948.79, 391,516.47 and 160,992.63 is: 241,546.50
Step by Step Solution
- Step 1: Write the proportion equation
260,948.79 : 391,516.47 = 160,992.63 : x - Step 2: Convert to fraction form
260,948.79/391,516.47 = 160,992.63/x - Step 3: Cross multiply
260,948.79x = 391,516.47 × 160,992.63 - Step 4: Simplify right side
260,948.79x = 63,031,266,193.62 - Step 5: Solve for x
x = 63,031,266,193.62/260,948.79 - Step 6: Final answer
x = 241,546.50
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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.