Finding the Fourth Proportional to 424,725.69, 586,121.28 and 233,739.09
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Solution
The fourth proportional to 424,725.69, 586,121.28 and 233,739.09 is: 322,559.85
Step by Step Solution
- Step 1: Write the proportion equation
424,725.69 : 586,121.28 = 233,739.09 : x - Step 2: Convert to fraction form
424,725.69/586,121.28 = 233,739.09/x - Step 3: Cross multiply
424,725.69x = 586,121.28 × 233,739.09 - Step 4: Simplify right side
424,725.69x = 136,999,454,616.84 - Step 5: Solve for x
x = 136,999,454,616.84/424,725.69 - Step 6: Final answer
x = 322,559.85
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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.