Finding the Fourth Proportional to 448,158.08, 618,429.04 and 246,954.08
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Solution
The fourth proportional to 448,158.08, 618,429.04 and 246,954.08 is: 340,780.59
Step by Step Solution
- Step 1: Write the proportion equation
448,158.08 : 618,429.04 = 246,954.08 : x - Step 2: Convert to fraction form
448,158.08/618,429.04 = 246,954.08/x - Step 3: Cross multiply
448,158.08x = 618,429.04 × 246,954.08 - Step 4: Simplify right side
448,158.08x = 152,723,574,618.48 - Step 5: Solve for x
x = 152,723,574,618.48/448,158.08 - Step 6: Final answer
x = 340,780.59
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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.