Finding the Fourth Proportional to 876,230.20, 1,314,248.10 and 245,207.80
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Solution
The fourth proportional to 876,230.20, 1,314,248.10 and 245,207.80 is: 367,784.50
Step by Step Solution
- Step 1: Write the proportion equation
876,230.20 : 1,314,248.10 = 245,207.80 : x - Step 2: Convert to fraction form
876,230.20/1,314,248.10 = 245,207.80/x - Step 3: Cross multiply
876,230.20x = 1,314,248.10 × 245,207.80 - Step 4: Simplify right side
876,230.20x = 322,263,885,255.18 - Step 5: Solve for x
x = 322,263,885,255.18/876,230.20 - Step 6: Final answer
x = 367,784.50
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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.