Finding the Fourth Proportional to 376,807.68, 519,993.12 and 215,662.08
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Solution
The fourth proportional to 376,807.68, 519,993.12 and 215,662.08 is: 297,612.82
Step by Step Solution
- Step 1: Write the proportion equation
376,807.68 : 519,993.12 = 215,662.08 : x - Step 2: Convert to fraction form
376,807.68/519,993.12 = 215,662.08/x - Step 3: Cross multiply
376,807.68x = 519,993.12 × 215,662.08 - Step 4: Simplify right side
376,807.68x = 112,142,797,844.89 - Step 5: Solve for x
x = 112,142,797,844.89/376,807.68 - Step 6: Final answer
x = 297,612.82
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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.