Finding the Fourth Proportional to 453,721.70, 680,530.62 and 121,323.62
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Solution
The fourth proportional to 453,721.70, 680,530.62 and 121,323.62 is: 181,971.54
Step by Step Solution
- Step 1: Write the proportion equation
453,721.70 : 680,530.62 = 121,323.62 : x - Step 2: Convert to fraction form
453,721.70/680,530.62 = 121,323.62/x - Step 3: Cross multiply
453,721.70x = 680,530.62 × 121,323.62 - Step 4: Simplify right side
453,721.70x = 82,564,438,339.24 - Step 5: Solve for x
x = 82,564,438,339.24/453,721.70 - Step 6: Final answer
x = 181,971.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.