Finding the Fourth Proportional to 179,700.10, 247,984.80 and 99,125.75
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Solution
The fourth proportional to 179,700.10, 247,984.80 and 99,125.75 is: 136,792.80
Step by Step Solution
- Step 1: Write the proportion equation
179,700.10 : 247,984.80 = 99,125.75 : x - Step 2: Convert to fraction form
179,700.10/247,984.80 = 99,125.75/x - Step 3: Cross multiply
179,700.10x = 247,984.80 × 99,125.75 - Step 4: Simplify right side
179,700.10x = 24,581,679,288.60 - Step 5: Solve for x
x = 24,581,679,288.60/179,700.10 - Step 6: Final answer
x = 136,792.80
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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.