Finding the Fourth Proportional to 316,775.70, 437,149.17 and 173,544.66
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Solution
The fourth proportional to 316,775.70, 437,149.17 and 173,544.66 is: 239,490.92
Step by Step Solution
- Step 1: Write the proportion equation
316,775.70 : 437,149.17 = 173,544.66 : x - Step 2: Convert to fraction form
316,775.70/437,149.17 = 173,544.66/x - Step 3: Cross multiply
316,775.70x = 437,149.17 × 173,544.66 - Step 4: Simplify right side
316,775.70x = 75,864,904,076.93 - Step 5: Solve for x
x = 75,864,904,076.93/316,775.70 - Step 6: Final answer
x = 239,490.92
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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.