Finding the Fourth Proportional to 448,437.75, 618,844.10 and 247,233.75
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Solution
The fourth proportional to 448,437.75, 618,844.10 and 247,233.75 is: 341,182.58
Step by Step Solution
- Step 1: Write the proportion equation
448,437.75 : 618,844.10 = 247,233.75 : x - Step 2: Convert to fraction form
448,437.75/618,844.10 = 247,233.75/x - Step 3: Cross multiply
448,437.75x = 618,844.10 × 247,233.75 - Step 4: Simplify right side
448,437.75x = 152,999,146,272.21 - Step 5: Solve for x
x = 152,999,146,272.21/448,437.75 - Step 6: Final answer
x = 341,182.58
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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.