Finding the Fourth Proportional to 224,769.20, 310,368.12 and 149,658.80
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Solution
The fourth proportional to 224,769.20, 310,368.12 and 149,658.80 is: 206,653.40
Step by Step Solution
- Step 1: Write the proportion equation
224,769.20 : 310,368.12 = 149,658.80 : x - Step 2: Convert to fraction form
224,769.20/310,368.12 = 149,658.80/x - Step 3: Cross multiply
224,769.20x = 310,368.12 × 149,658.80 - Step 4: Simplify right side
224,769.20x = 46,449,320,397.46 - Step 5: Solve for x
x = 46,449,320,397.46/224,769.20 - Step 6: Final answer
x = 206,653.40
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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.