Finding the Fourth Proportional to 866,104.75, 1,299,073.55 and 266,905.02
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Solution
The fourth proportional to 866,104.75, 1,299,073.55 and 266,905.02 is: 400,331.78
Step by Step Solution
- Step 1: Write the proportion equation
866,104.75 : 1,299,073.55 = 266,905.02 : x - Step 2: Convert to fraction form
866,104.75/1,299,073.55 = 266,905.02/x - Step 3: Cross multiply
866,104.75x = 1,299,073.55 × 266,905.02 - Step 4: Simplify right side
866,104.75x = 346,729,255,381.22 - Step 5: Solve for x
x = 346,729,255,381.22/866,104.75 - Step 6: Final answer
x = 400,331.78
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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.