Finding the Fourth Proportional to 510,098.52, 703,861.65 and 306,106.08
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Solution
The fourth proportional to 510,098.52, 703,861.65 and 306,106.08 is: 422,381.80
Step by Step Solution
- Step 1: Write the proportion equation
510,098.52 : 703,861.65 = 306,106.08 : x - Step 2: Convert to fraction form
510,098.52/703,861.65 = 306,106.08/x - Step 3: Cross multiply
510,098.52x = 703,861.65 × 306,106.08 - Step 4: Simplify right side
510,098.52x = 215,456,330,543.83 - Step 5: Solve for x
x = 215,456,330,543.83/510,098.52 - Step 6: Final answer
x = 422,381.80
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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.