Finding the Fourth Proportional to 209,248.07, 288,364.14 and 151,788.29
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Solution
The fourth proportional to 209,248.07, 288,364.14 and 151,788.29 is: 209,178.99
Step by Step Solution
- Step 1: Write the proportion equation
209,248.07 : 288,364.14 = 151,788.29 : x - Step 2: Convert to fraction form
209,248.07/288,364.14 = 151,788.29/x - Step 3: Cross multiply
209,248.07x = 288,364.14 × 151,788.29 - Step 4: Simplify right side
209,248.07x = 43,770,298,266.10 - Step 5: Solve for x
x = 43,770,298,266.10/209,248.07 - Step 6: Final answer
x = 209,178.99
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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.