Finding the Fourth Proportional to 159,553.80, 239,330.70 and 97,345.80
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Solution
The fourth proportional to 159,553.80, 239,330.70 and 97,345.80 is: 146,018.70
Step by Step Solution
- Step 1: Write the proportion equation
159,553.80 : 239,330.70 = 97,345.80 : x - Step 2: Convert to fraction form
159,553.80/239,330.70 = 97,345.80/x - Step 3: Cross multiply
159,553.80x = 239,330.70 × 97,345.80 - Step 4: Simplify right side
159,553.80x = 23,297,838,456.06 - Step 5: Solve for x
x = 23,297,838,456.06/159,553.80 - Step 6: Final answer
x = 146,018.70
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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.