Finding the Fourth Proportional to 159,354.24, 219,907.08 and 87,732.80
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Solution
The fourth proportional to 159,354.24, 219,907.08 and 87,732.80 is: 121,070.29
Step by Step Solution
- Step 1: Write the proportion equation
159,354.24 : 219,907.08 = 87,732.80 : x - Step 2: Convert to fraction form
159,354.24/219,907.08 = 87,732.80/x - Step 3: Cross multiply
159,354.24x = 219,907.08 × 87,732.80 - Step 4: Simplify right side
159,354.24x = 19,293,063,868.22 - Step 5: Solve for x
x = 19,293,063,868.22/159,354.24 - Step 6: Final answer
x = 121,070.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.