Finding the Fourth Proportional to 231,574.19, 319,572.38 and 125,590.19
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Solution
The fourth proportional to 231,574.19, 319,572.38 and 125,590.19 is: 173,314.46
Step by Step Solution
- Step 1: Write the proportion equation
231,574.19 : 319,572.38 = 125,590.19 : x - Step 2: Convert to fraction form
231,574.19/319,572.38 = 125,590.19/x - Step 3: Cross multiply
231,574.19x = 319,572.38 × 125,590.19 - Step 4: Simplify right side
231,574.19x = 40,135,155,922.95 - Step 5: Solve for x
x = 40,135,155,922.95/231,574.19 - Step 6: Final answer
x = 173,314.46
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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.