Finding the Fourth Proportional to 615,227.18, 849,012.36 and 343,278.68
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Solution
The fourth proportional to 615,227.18, 849,012.36 and 343,278.68 is: 473,723.94
Step by Step Solution
- Step 1: Write the proportion equation
615,227.18 : 849,012.36 = 343,278.68 : x - Step 2: Convert to fraction form
615,227.18/849,012.36 = 343,278.68/x - Step 3: Cross multiply
615,227.18x = 849,012.36 × 343,278.68 - Step 4: Simplify right side
615,227.18x = 291,447,842,244.49 - Step 5: Solve for x
x = 291,447,842,244.49/615,227.18 - Step 6: Final answer
x = 473,723.94
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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.