Finding the Fourth Proportional to 433,729.90, 598,475.84 and 272,470.74
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Solution
The fourth proportional to 433,729.90, 598,475.84 and 272,470.74 is: 375,964.75
Step by Step Solution
- Step 1: Write the proportion equation
433,729.90 : 598,475.84 = 272,470.74 : x - Step 2: Convert to fraction form
433,729.90/598,475.84 = 272,470.74/x - Step 3: Cross multiply
433,729.90x = 598,475.84 × 272,470.74 - Step 4: Simplify right side
433,729.90x = 163,067,152,922.93 - Step 5: Solve for x
x = 163,067,152,922.93/433,729.90 - Step 6: Final answer
x = 375,964.75
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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.