Finding the Fourth Proportional to 159,244.17, 219,731.86 and 91,248.06
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Solution
The fourth proportional to 159,244.17, 219,731.86 and 91,248.06 is: 125,907.94
Step by Step Solution
- Step 1: Write the proportion equation
159,244.17 : 219,731.86 = 91,248.06 : x - Step 2: Convert to fraction form
159,244.17/219,731.86 = 91,248.06/x - Step 3: Cross multiply
159,244.17x = 219,731.86 × 91,248.06 - Step 4: Simplify right side
159,244.17x = 20,050,105,945.19 - Step 5: Solve for x
x = 20,050,105,945.19/159,244.17 - Step 6: Final answer
x = 125,907.94
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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.