Finding the Fourth Proportional to 194,483.08, 291,607.84 and 76,013.28
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Solution
The fourth proportional to 194,483.08, 291,607.84 and 76,013.28 is: 113,974.28
Step by Step Solution
- Step 1: Write the proportion equation
194,483.08 : 291,607.84 = 76,013.28 : x - Step 2: Convert to fraction form
194,483.08/291,607.84 = 76,013.28/x - Step 3: Cross multiply
194,483.08x = 291,607.84 × 76,013.28 - Step 4: Simplify right side
194,483.08x = 22,166,068,392.12 - Step 5: Solve for x
x = 22,166,068,392.12/194,483.08 - Step 6: Final answer
x = 113,974.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.