Finding the Fourth Proportional to 354,484.09, 489,230.04 and 201,545.34
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Solution
The fourth proportional to 354,484.09, 489,230.04 and 201,545.34 is: 278,156.45
Step by Step Solution
- Step 1: Write the proportion equation
354,484.09 : 489,230.04 = 201,545.34 : x - Step 2: Convert to fraction form
354,484.09/489,230.04 = 201,545.34/x - Step 3: Cross multiply
354,484.09x = 489,230.04 × 201,545.34 - Step 4: Simplify right side
354,484.09x = 98,602,034,750.01 - Step 5: Solve for x
x = 98,602,034,750.01/354,484.09 - Step 6: Final answer
x = 278,156.45
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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.