Finding the Fourth Proportional to 316,684.73, 437,008.56 and 173,417.13
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Solution
The fourth proportional to 316,684.73, 437,008.56 and 173,417.13 is: 239,306.68
Step by Step Solution
- Step 1: Write the proportion equation
316,684.73 : 437,008.56 = 173,417.13 : x - Step 2: Convert to fraction form
316,684.73/437,008.56 = 173,417.13/x - Step 3: Cross multiply
316,684.73x = 437,008.56 × 173,417.13 - Step 4: Simplify right side
316,684.73x = 75,784,770,260.63 - Step 5: Solve for x
x = 75,784,770,260.63/316,684.73 - Step 6: Final answer
x = 239,306.68
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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.