Finding the Fourth Proportional to 514,815.72, 772,326.44 and 177,868.68
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Solution
The fourth proportional to 514,815.72, 772,326.44 and 177,868.68 is: 266,838.56
Step by Step Solution
- Step 1: Write the proportion equation
514,815.72 : 772,326.44 = 177,868.68 : x - Step 2: Convert to fraction form
514,815.72/772,326.44 = 177,868.68/x - Step 3: Cross multiply
514,815.72x = 772,326.44 × 177,868.68 - Step 4: Simplify right side
514,815.72x = 137,372,684,411.90 - Step 5: Solve for x
x = 137,372,684,411.90/514,815.72 - Step 6: Final answer
x = 266,838.56
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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.