Finding the Fourth Proportional to 284,070.32, 426,154.70 and 126,311.08
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Solution
The fourth proportional to 284,070.32, 426,154.70 and 126,311.08 is: 189,488.50
Step by Step Solution
- Step 1: Write the proportion equation
284,070.32 : 426,154.70 = 126,311.08 : x - Step 2: Convert to fraction form
284,070.32/426,154.70 = 126,311.08/x - Step 3: Cross multiply
284,070.32x = 426,154.70 × 126,311.08 - Step 4: Simplify right side
284,070.32x = 53,828,057,641.75 - Step 5: Solve for x
x = 53,828,057,641.75/284,070.32 - Step 6: Final answer
x = 189,488.50
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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.