Finding the Fourth Proportional to 453,738.24, 680,555.36 and 121,340.16
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Solution
The fourth proportional to 453,738.24, 680,555.36 and 121,340.16 is: 181,996.33
Step by Step Solution
- Step 1: Write the proportion equation
453,738.24 : 680,555.36 = 121,340.16 : x - Step 2: Convert to fraction form
453,738.24/680,555.36 = 121,340.16/x - Step 3: Cross multiply
453,738.24x = 680,555.36 × 121,340.16 - Step 4: Simplify right side
453,738.24x = 82,578,696,271.26 - Step 5: Solve for x
x = 82,578,696,271.26/453,738.24 - Step 6: Final answer
x = 181,996.33
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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.