Finding the Fourth Proportional to 293,356.44, 439,964.10 and 135,433.26
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Solution
The fourth proportional to 293,356.44, 439,964.10 and 135,433.26 is: 203,117.31
Step by Step Solution
- Step 1: Write the proportion equation
293,356.44 : 439,964.10 = 135,433.26 : x - Step 2: Convert to fraction form
293,356.44/439,964.10 = 135,433.26/x - Step 3: Cross multiply
293,356.44x = 439,964.10 × 135,433.26 - Step 4: Simplify right side
293,356.44x = 59,585,772,345.97 - Step 5: Solve for x
x = 59,585,772,345.97/293,356.44 - Step 6: Final answer
x = 203,117.31
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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.