Finding the Fourth Proportional to 282,798.50, 424,197.84 and 83,118.92
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Solution
The fourth proportional to 282,798.50, 424,197.84 and 83,118.92 is: 124,678.41
Step by Step Solution
- Step 1: Write the proportion equation
282,798.50 : 424,197.84 = 83,118.92 : x - Step 2: Convert to fraction form
282,798.50/424,197.84 = 83,118.92/x - Step 3: Cross multiply
282,798.50x = 424,197.84 × 83,118.92 - Step 4: Simplify right side
282,798.50x = 35,258,866,327.13 - Step 5: Solve for x
x = 35,258,866,327.13/282,798.50 - Step 6: Final answer
x = 124,678.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.