Finding the Fourth Proportional to 454,201.80, 681,302.70 and 138,617.70
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Solution
The fourth proportional to 454,201.80, 681,302.70 and 138,617.70 is: 207,926.55
Step by Step Solution
- Step 1: Write the proportion equation
454,201.80 : 681,302.70 = 138,617.70 : x - Step 2: Convert to fraction form
454,201.80/681,302.70 = 138,617.70/x - Step 3: Cross multiply
454,201.80x = 681,302.70 × 138,617.70 - Step 4: Simplify right side
454,201.80x = 94,440,613,277.79 - Step 5: Solve for x
x = 94,440,613,277.79/454,201.80 - Step 6: Final answer
x = 207,926.55
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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.