Finding the Fourth Proportional to 219,719.68, 303,230.16 and 124,237.12
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Solution
The fourth proportional to 219,719.68, 303,230.16 and 124,237.12 is: 171,456.84
Step by Step Solution
- Step 1: Write the proportion equation
219,719.68 : 303,230.16 = 124,237.12 : x - Step 2: Convert to fraction form
219,719.68/303,230.16 = 124,237.12/x - Step 3: Cross multiply
219,719.68x = 303,230.16 × 124,237.12 - Step 4: Simplify right side
219,719.68x = 37,672,441,775.54 - Step 5: Solve for x
x = 37,672,441,775.54/219,719.68 - Step 6: Final answer
x = 171,456.84
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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.