Finding the Fourth Proportional to 159,553.20, 239,329.80 and 97,345.20
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Solution
The fourth proportional to 159,553.20, 239,329.80 and 97,345.20 is: 146,017.80
Step by Step Solution
- Step 1: Write the proportion equation
159,553.20 : 239,329.80 = 97,345.20 : x - Step 2: Convert to fraction form
159,553.20/239,329.80 = 97,345.20/x - Step 3: Cross multiply
159,553.20x = 239,329.80 × 97,345.20 - Step 4: Simplify right side
159,553.20x = 23,297,607,246.96 - Step 5: Solve for x
x = 23,297,607,246.96/159,553.20 - Step 6: Final answer
x = 146,017.80
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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.