Finding the Fourth Proportional to 212,846.65, 293,730.36 and 117,356.74
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Solution
The fourth proportional to 212,846.65, 293,730.36 and 117,356.74 is: 161,953.39
Step by Step Solution
- Step 1: Write the proportion equation
212,846.65 : 293,730.36 = 117,356.74 : x - Step 2: Convert to fraction form
212,846.65/293,730.36 = 117,356.74/x - Step 3: Cross multiply
212,846.65x = 293,730.36 × 117,356.74 - Step 4: Simplify right side
212,846.65x = 34,471,236,314.21 - Step 5: Solve for x
x = 34,471,236,314.21/212,846.65 - Step 6: Final answer
x = 161,953.39
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1.5x scale
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.