Finding the Fourth Proportional to 461,281.10, 691,921.65 and 274,657.10
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Solution
The fourth proportional to 461,281.10, 691,921.65 and 274,657.10 is: 411,985.65
Step by Step Solution
- Step 1: Write the proportion equation
461,281.10 : 691,921.65 = 274,657.10 : x - Step 2: Convert to fraction form
461,281.10/691,921.65 = 274,657.10/x - Step 3: Cross multiply
461,281.10x = 691,921.65 × 274,657.10 - Step 4: Simplify right side
461,281.10x = 190,041,193,816.22 - Step 5: Solve for x
x = 190,041,193,816.22/461,281.10 - Step 6: Final answer
x = 411,985.65
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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.