Finding the Fourth Proportional to 310,809.70, 466,214.55 and 248,601.70
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Solution
The fourth proportional to 310,809.70, 466,214.55 and 248,601.70 is: 372,902.55
Step by Step Solution
- Step 1: Write the proportion equation
310,809.70 : 466,214.55 = 248,601.70 : x - Step 2: Convert to fraction form
310,809.70/466,214.55 = 248,601.70/x - Step 3: Cross multiply
310,809.70x = 466,214.55 × 248,601.70 - Step 4: Simplify right side
310,809.70x = 115,901,729,694.74 - Step 5: Solve for x
x = 115,901,729,694.74/310,809.70 - Step 6: Final answer
x = 372,902.55
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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.