Finding the Fourth Proportional to 439,101.68, 605,944.80 and 248,110.97
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Solution
The fourth proportional to 439,101.68, 605,944.80 and 248,110.97 is: 342,384.37
Step by Step Solution
- Step 1: Write the proportion equation
439,101.68 : 605,944.80 = 248,110.97 : x - Step 2: Convert to fraction form
439,101.68/605,944.80 = 248,110.97/x - Step 3: Cross multiply
439,101.68x = 605,944.80 × 248,110.97 - Step 4: Simplify right side
439,101.68x = 150,341,549,064.73 - Step 5: Solve for x
x = 150,341,549,064.73/439,101.68 - Step 6: Final answer
x = 342,384.37
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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.