Finding the Fourth Proportional to 657,917.40, 986,876.10 and 237,235.80
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Solution
The fourth proportional to 657,917.40, 986,876.10 and 237,235.80 is: 355,853.70
Step by Step Solution
- Step 1: Write the proportion equation
657,917.40 : 986,876.10 = 237,235.80 : x - Step 2: Convert to fraction form
657,917.40/986,876.10 = 237,235.80/x - Step 3: Cross multiply
657,917.40x = 986,876.10 × 237,235.80 - Step 4: Simplify right side
657,917.40x = 234,122,341,084.38 - Step 5: Solve for x
x = 234,122,341,084.38/657,917.40 - Step 6: Final answer
x = 355,853.70
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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.