Finding the Fourth Proportional to 657,217.80, 985,826.70 and 236,341.80
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Solution
The fourth proportional to 657,217.80, 985,826.70 and 236,341.80 is: 354,512.70
Step by Step Solution
- Step 1: Write the proportion equation
657,217.80 : 985,826.70 = 236,341.80 : x - Step 2: Convert to fraction form
657,217.80/985,826.70 = 236,341.80/x - Step 3: Cross multiply
657,217.80x = 985,826.70 × 236,341.80 - Step 4: Simplify right side
657,217.80x = 232,992,056,766.06 - Step 5: Solve for x
x = 232,992,056,766.06/657,217.80 - Step 6: Final answer
x = 354,512.70
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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.