Finding the Fourth Proportional to 159,034.88, 219,463.68 and 87,415.04
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Solution
The fourth proportional to 159,034.88, 219,463.68 and 87,415.04 is: 120,630.31
Step by Step Solution
- Step 1: Write the proportion equation
159,034.88 : 219,463.68 = 87,415.04 : x - Step 2: Convert to fraction form
159,034.88/219,463.68 = 87,415.04/x - Step 3: Cross multiply
159,034.88x = 219,463.68 × 87,415.04 - Step 4: Simplify right side
159,034.88x = 19,184,426,365.75 - Step 5: Solve for x
x = 19,184,426,365.75/159,034.88 - Step 6: Final answer
x = 120,630.31
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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.