Finding the Fourth Proportional to 454,254.08, 681,381.12 and 138,694.08
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Solution
The fourth proportional to 454,254.08, 681,381.12 and 138,694.08 is: 208,041.12
Step by Step Solution
- Step 1: Write the proportion equation
454,254.08 : 681,381.12 = 138,694.08 : x - Step 2: Convert to fraction form
454,254.08/681,381.12 = 138,694.08/x - Step 3: Cross multiply
454,254.08x = 681,381.12 × 138,694.08 - Step 4: Simplify right side
454,254.08x = 94,503,527,567.77 - Step 5: Solve for x
x = 94,503,527,567.77/454,254.08 - Step 6: Final answer
x = 208,041.12
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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.