Finding the Fourth Proportional to 420,795.60, 580,690.10 and 237,034.76
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Solution
The fourth proportional to 420,795.60, 580,690.10 and 237,034.76 is: 327,103.55
Step by Step Solution
- Step 1: Write the proportion equation
420,795.60 : 580,690.10 = 237,034.76 : x - Step 2: Convert to fraction form
420,795.60/580,690.10 = 237,034.76/x - Step 3: Cross multiply
420,795.60x = 580,690.10 × 237,034.76 - Step 4: Simplify right side
420,795.60x = 137,643,734,399.25 - Step 5: Solve for x
x = 137,643,734,399.25/420,795.60 - Step 6: Final answer
x = 327,103.55
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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.