Finding the Fourth Proportional to 316,292.44, 436,479.68 and 173,050.42
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Solution
The fourth proportional to 316,292.44, 436,479.68 and 173,050.42 is: 238,807.45
Step by Step Solution
- Step 1: Write the proportion equation
316,292.44 : 436,479.68 = 173,050.42 : x - Step 2: Convert to fraction form
316,292.44/436,479.68 = 173,050.42/x - Step 3: Cross multiply
316,292.44x = 436,479.68 × 173,050.42 - Step 4: Simplify right side
316,292.44x = 75,532,991,945.47 - Step 5: Solve for x
x = 75,532,991,945.47/316,292.44 - Step 6: Final answer
x = 238,807.45
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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.