Finding the Fourth Proportional to 453,951.20, 680,926.80 and 232,767.20
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Solution
The fourth proportional to 453,951.20, 680,926.80 and 232,767.20 is: 349,150.80
Step by Step Solution
- Step 1: Write the proportion equation
453,951.20 : 680,926.80 = 232,767.20 : x - Step 2: Convert to fraction form
453,951.20/680,926.80 = 232,767.20/x - Step 3: Cross multiply
453,951.20x = 680,926.80 × 232,767.20 - Step 4: Simplify right side
453,951.20x = 158,497,424,640.96 - Step 5: Solve for x
x = 158,497,424,640.96/453,951.20 - Step 6: Final answer
x = 349,150.80
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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.