Finding the Fourth Proportional to 268,844.10, 403,266.15 and 239,813.70
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Solution
The fourth proportional to 268,844.10, 403,266.15 and 239,813.70 is: 359,720.55
Step by Step Solution
- Step 1: Write the proportion equation
268,844.10 : 403,266.15 = 239,813.70 : x - Step 2: Convert to fraction form
268,844.10/403,266.15 = 239,813.70/x - Step 3: Cross multiply
268,844.10x = 403,266.15 × 239,813.70 - Step 4: Simplify right side
268,844.10x = 96,708,747,516.26 - Step 5: Solve for x
x = 96,708,747,516.26/268,844.10 - Step 6: Final answer
x = 359,720.55
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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.