Finding the Fourth Proportional to 307,985.10, 461,934.45 and 97,644.30
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Solution
The fourth proportional to 307,985.10, 461,934.45 and 97,644.30 is: 146,452.75
Step by Step Solution
- Step 1: Write the proportion equation
307,985.10 : 461,934.45 = 97,644.30 : x - Step 2: Convert to fraction form
307,985.10/461,934.45 = 97,644.30/x - Step 3: Cross multiply
307,985.10x = 461,934.45 × 97,644.30 - Step 4: Simplify right side
307,985.10x = 45,105,266,016.14 - Step 5: Solve for x
x = 45,105,266,016.14/307,985.10 - Step 6: Final answer
x = 146,452.75
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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.