Finding the Fourth Proportional to 248,314.28, 342,681.44 and 140,888.84
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Solution
The fourth proportional to 248,314.28, 342,681.44 and 140,888.84 is: 194,430.99
Step by Step Solution
- Step 1: Write the proportion equation
248,314.28 : 342,681.44 = 140,888.84 : x - Step 2: Convert to fraction form
248,314.28/342,681.44 = 140,888.84/x - Step 3: Cross multiply
248,314.28x = 342,681.44 × 140,888.84 - Step 4: Simplify right side
248,314.28x = 48,279,990,571.13 - Step 5: Solve for x
x = 48,279,990,571.13/248,314.28 - Step 6: Final answer
x = 194,430.99
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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.