Finding the Fourth Proportional to 342,061.96, 472,177.20 and 306,188.68
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Solution
The fourth proportional to 342,061.96, 472,177.20 and 306,188.68 is: 422,658.26
Step by Step Solution
- Step 1: Write the proportion equation
342,061.96 : 472,177.20 = 306,188.68 : x - Step 2: Convert to fraction form
342,061.96/472,177.20 = 306,188.68/x - Step 3: Cross multiply
342,061.96x = 472,177.20 × 306,188.68 - Step 4: Simplify right side
342,061.96x = 144,575,313,594.10 - Step 5: Solve for x
x = 144,575,313,594.10/342,061.96 - Step 6: Final answer
x = 422,658.26
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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.