Finding the Fourth Proportional to 508,956.01, 702,445.70 and 294,220.55
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Solution
The fourth proportional to 508,956.01, 702,445.70 and 294,220.55 is: 406,074.32
Step by Step Solution
- Step 1: Write the proportion equation
508,956.01 : 702,445.70 = 294,220.55 : x - Step 2: Convert to fraction form
508,956.01/702,445.70 = 294,220.55/x - Step 3: Cross multiply
508,956.01x = 702,445.70 × 294,220.55 - Step 4: Simplify right side
508,956.01x = 206,673,962,690.80 - Step 5: Solve for x
x = 206,673,962,690.80/508,956.01 - Step 6: Final answer
x = 406,074.32
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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.