Finding the Fourth Proportional to 239,910.24, 357,925.56 and 215,996.88
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Solution
The fourth proportional to 239,910.24, 357,925.56 and 215,996.88 is: 322,248.87
Step by Step Solution
- Step 1: Write the proportion equation
239,910.24 : 357,925.56 = 215,996.88 : x - Step 2: Convert to fraction form
239,910.24/357,925.56 = 215,996.88/x - Step 3: Cross multiply
239,910.24x = 357,925.56 × 215,996.88 - Step 4: Simplify right side
239,910.24x = 77,310,804,232.25 - Step 5: Solve for x
x = 77,310,804,232.25/239,910.24 - Step 6: Final answer
x = 322,248.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.