Finding the Fourth Proportional to 361,921.70, 542,882.55 and 268,609.70
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Solution
The fourth proportional to 361,921.70, 542,882.55 and 268,609.70 is: 402,914.55
Step by Step Solution
- Step 1: Write the proportion equation
361,921.70 : 542,882.55 = 268,609.70 : x - Step 2: Convert to fraction form
361,921.70/542,882.55 = 268,609.70/x - Step 3: Cross multiply
361,921.70x = 542,882.55 × 268,609.70 - Step 4: Simplify right side
361,921.70x = 145,823,518,890.74 - Step 5: Solve for x
x = 145,823,518,890.74/361,921.70 - Step 6: Final answer
x = 402,914.55
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1.5x scale
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.