Finding the Fourth Proportional to 615,279.48, 849,084.09 and 343,344.49
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Solution
The fourth proportional to 615,279.48, 849,084.09 and 343,344.49 is: 473,814.50
Step by Step Solution
- Step 1: Write the proportion equation
615,279.48 : 849,084.09 = 343,344.49 : x - Step 2: Convert to fraction form
615,279.48/849,084.09 = 343,344.49/x - Step 3: Cross multiply
615,279.48x = 849,084.09 × 343,344.49 - Step 4: Simplify right side
615,279.48x = 291,528,340,437.91 - Step 5: Solve for x
x = 291,528,340,437.91/615,279.48 - Step 6: Final answer
x = 473,814.50
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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.