Finding the Fourth Proportional to 572,479.75, 859,113.29 and 198,502.75
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Solution
The fourth proportional to 572,479.75, 859,113.29 and 198,502.75 is: 297,890.63
Step by Step Solution
- Step 1: Write the proportion equation
572,479.75 : 859,113.29 = 198,502.75 : x - Step 2: Convert to fraction form
572,479.75/859,113.29 = 198,502.75/x - Step 3: Cross multiply
572,479.75x = 859,113.29 × 198,502.75 - Step 4: Simplify right side
572,479.75x = 170,536,350,626.55 - Step 5: Solve for x
x = 170,536,350,626.55/572,479.75 - Step 6: Final answer
x = 297,890.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.