Finding the Fourth Proportional to 372,159.92, 513,697.66 and 211,122.02
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Solution
The fourth proportional to 372,159.92, 513,697.66 and 211,122.02 is: 291,414.74
Step by Step Solution
- Step 1: Write the proportion equation
372,159.92 : 513,697.66 = 211,122.02 : x - Step 2: Convert to fraction form
372,159.92/513,697.66 = 211,122.02/x - Step 3: Cross multiply
372,159.92x = 513,697.66 × 211,122.02 - Step 4: Simplify right side
372,159.92x = 108,452,887,648.47 - Step 5: Solve for x
x = 108,452,887,648.47/372,159.92 - Step 6: Final answer
x = 291,414.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.