Finding the Fourth Proportional to 291,864.74, 402,767.84 and 164,540.38
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Solution
The fourth proportional to 291,864.74, 402,767.84 and 164,540.38 is: 227,062.62
Step by Step Solution
- Step 1: Write the proportion equation
291,864.74 : 402,767.84 = 164,540.38 : x - Step 2: Convert to fraction form
291,864.74/402,767.84 = 164,540.38/x - Step 3: Cross multiply
291,864.74x = 402,767.84 × 164,540.38 - Step 4: Simplify right side
291,864.74x = 66,271,573,445.38 - Step 5: Solve for x
x = 66,271,573,445.38/291,864.74 - Step 6: Final answer
x = 227,062.62
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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.