Finding the Fourth Proportional to 354,458.06, 489,132.68 and 201,474.98
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Solution
The fourth proportional to 354,458.06, 489,132.68 and 201,474.98 is: 278,024.42
Step by Step Solution
- Step 1: Write the proportion equation
354,458.06 : 489,132.68 = 201,474.98 : x - Step 2: Convert to fraction form
354,458.06/489,132.68 = 201,474.98/x - Step 3: Cross multiply
354,458.06x = 489,132.68 × 201,474.98 - Step 4: Simplify right side
354,458.06x = 98,547,995,301.56 - Step 5: Solve for x
x = 98,547,995,301.56/354,458.06 - Step 6: Final answer
x = 278,024.42
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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.