Finding the Fourth Proportional to 445,266.88, 614,531.28 and 275,555.68
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Solution
The fourth proportional to 445,266.88, 614,531.28 and 275,555.68 is: 380,305.82
Step by Step Solution
- Step 1: Write the proportion equation
445,266.88 : 614,531.28 = 275,555.68 : x - Step 2: Convert to fraction form
445,266.88/614,531.28 = 275,555.68/x - Step 3: Cross multiply
445,266.88x = 614,531.28 × 275,555.68 - Step 4: Simplify right side
445,266.88x = 169,337,584,741.67 - Step 5: Solve for x
x = 169,337,584,741.67/445,266.88 - Step 6: Final answer
x = 380,305.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.