Finding the Fourth Proportional to 173,789.91, 239,774.36 and 97,297.79
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Solution
The fourth proportional to 173,789.91, 239,774.36 and 97,297.79 is: 134,239.75
Step by Step Solution
- Step 1: Write the proportion equation
173,789.91 : 239,774.36 = 97,297.79 : x - Step 2: Convert to fraction form
173,789.91/239,774.36 = 97,297.79/x - Step 3: Cross multiply
173,789.91x = 239,774.36 × 97,297.79 - Step 4: Simplify right side
173,789.91x = 23,329,513,641.30 - Step 5: Solve for x
x = 23,329,513,641.30/173,789.91 - Step 6: Final answer
x = 134,239.75
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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.