Finding the Fourth Proportional to 202,878.70, 304,318.05 and 97,672.30
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Solution
The fourth proportional to 202,878.70, 304,318.05 and 97,672.30 is: 146,508.45
Step by Step Solution
- Step 1: Write the proportion equation
202,878.70 : 304,318.05 = 97,672.30 : x - Step 2: Convert to fraction form
202,878.70/304,318.05 = 97,672.30/x - Step 3: Cross multiply
202,878.70x = 304,318.05 × 97,672.30 - Step 4: Simplify right side
202,878.70x = 29,723,443,875.02 - Step 5: Solve for x
x = 29,723,443,875.02/202,878.70 - Step 6: Final answer
x = 146,508.45
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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.