Finding the Fourth Proportional to 615,693.62, 849,648.86 and 343,765.68
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Solution
The fourth proportional to 615,693.62, 849,648.86 and 343,765.68 is: 474,391.98
Step by Step Solution
- Step 1: Write the proportion equation
615,693.62 : 849,648.86 = 343,765.68 : x - Step 2: Convert to fraction form
615,693.62/849,648.86 = 343,765.68/x - Step 3: Cross multiply
615,693.62x = 849,648.86 × 343,765.68 - Step 4: Simplify right side
615,693.62x = 292,080,118,119.13 - Step 5: Solve for x
x = 292,080,118,119.13/615,693.62 - Step 6: Final answer
x = 474,391.98
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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.