Finding the Fourth Proportional to 239,213.80, 358,691.10 and 98,813.80
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Solution
The fourth proportional to 239,213.80, 358,691.10 and 98,813.80 is: 148,167.17
Step by Step Solution
- Step 1: Write the proportion equation
239,213.80 : 358,691.10 = 98,813.80 : x - Step 2: Convert to fraction form
239,213.80/358,691.10 = 98,813.80/x - Step 3: Cross multiply
239,213.80x = 358,691.10 × 98,813.80 - Step 4: Simplify right side
239,213.80x = 35,443,630,617.18 - Step 5: Solve for x
x = 35,443,630,617.18/239,213.80 - Step 6: Final answer
x = 148,167.17
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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.