Finding the Fourth Proportional to 312,572.12, 468,922.97 and 125,598.20
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Solution
The fourth proportional to 312,572.12, 468,922.97 and 125,598.20 is: 188,423.33
Step by Step Solution
- Step 1: Write the proportion equation
312,572.12 : 468,922.97 = 125,598.20 : x - Step 2: Convert to fraction form
312,572.12/468,922.97 = 125,598.20/x - Step 3: Cross multiply
312,572.12x = 468,922.97 × 125,598.20 - Step 4: Simplify right side
312,572.12x = 58,895,878,940.03 - Step 5: Solve for x
x = 58,895,878,940.03/312,572.12 - Step 6: Final answer
x = 188,423.33
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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.