Finding the Fourth Proportional to 453,544.80, 681,008.40 and 266,920.80
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Solution
The fourth proportional to 453,544.80, 681,008.40 and 266,920.80 is: 400,787.99
Step by Step Solution
- Step 1: Write the proportion equation
453,544.80 : 681,008.40 = 266,920.80 : x - Step 2: Convert to fraction form
453,544.80/681,008.40 = 266,920.80/x - Step 3: Cross multiply
453,544.80x = 681,008.40 × 266,920.80 - Step 4: Simplify right side
453,544.80x = 181,775,306,934.72 - Step 5: Solve for x
x = 181,775,306,934.72/453,544.80 - Step 6: Final answer
x = 400,787.99
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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.