Finding the Fourth Proportional to 398,610.24, 550,085.35 and 217,323.49
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Solution
The fourth proportional to 398,610.24, 550,085.35 and 217,323.49 is: 299,908.17
Step by Step Solution
- Step 1: Write the proportion equation
398,610.24 : 550,085.35 = 217,323.49 : x - Step 2: Convert to fraction form
398,610.24/550,085.35 = 217,323.49/x - Step 3: Cross multiply
398,610.24x = 550,085.35 × 217,323.49 - Step 4: Simplify right side
398,610.24x = 119,546,468,191.46 - Step 5: Solve for x
x = 119,546,468,191.46/398,610.24 - Step 6: Final answer
x = 299,908.17
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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.