Finding the Fourth Proportional to 615,803.62, 849,766.66 and 340,149.28
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Solution
The fourth proportional to 615,803.62, 849,766.66 and 340,149.28 is: 469,382.62
Step by Step Solution
- Step 1: Write the proportion equation
615,803.62 : 849,766.66 = 340,149.28 : x - Step 2: Convert to fraction form
615,803.62/849,766.66 = 340,149.28/x - Step 3: Cross multiply
615,803.62x = 849,766.66 × 340,149.28 - Step 4: Simplify right side
615,803.62x = 289,047,514,592.22 - Step 5: Solve for x
x = 289,047,514,592.22/615,803.62 - Step 6: Final answer
x = 469,382.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.