Finding the Fourth Proportional to 348,319.14, 480,685.68 and 195,391.23
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Solution
The fourth proportional to 348,319.14, 480,685.68 and 195,391.23 is: 269,642.85
Step by Step Solution
- Step 1: Write the proportion equation
348,319.14 : 480,685.68 = 195,391.23 : x - Step 2: Convert to fraction form
348,319.14/480,685.68 = 195,391.23/x - Step 3: Cross multiply
348,319.14x = 480,685.68 × 195,391.23 - Step 4: Simplify right side
348,319.14x = 93,921,766,258.59 - Step 5: Solve for x
x = 93,921,766,258.59/348,319.14 - Step 6: Final answer
x = 269,642.85
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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.