Finding the Fourth Proportional to 448,161.12, 618,459.30 and 246,957.12
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Solution
The fourth proportional to 448,161.12, 618,459.30 and 246,957.12 is: 340,799.15
Step by Step Solution
- Step 1: Write the proportion equation
448,161.12 : 618,459.30 = 246,957.12 : x - Step 2: Convert to fraction form
448,161.12/618,459.30 = 246,957.12/x - Step 3: Cross multiply
448,161.12x = 618,459.30 × 246,957.12 - Step 4: Simplify right side
448,161.12x = 152,732,927,565.22 - Step 5: Solve for x
x = 152,732,927,565.22/448,161.12 - Step 6: Final answer
x = 340,799.15
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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.