Finding the Fourth Proportional to 117,101.26, 175,679.84 and 38,215.63
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Solution
The fourth proportional to 117,101.26, 175,679.84 and 38,215.63 is: 57,332.57
Step by Step Solution
- Step 1: Write the proportion equation
117,101.26 : 175,679.84 = 38,215.63 : x - Step 2: Convert to fraction form
117,101.26/175,679.84 = 38,215.63/x - Step 3: Cross multiply
117,101.26x = 175,679.84 × 38,215.63 - Step 4: Simplify right side
117,101.26x = 6,713,715,763.90 - Step 5: Solve for x
x = 6,713,715,763.90/117,101.26 - Step 6: Final answer
x = 57,332.57
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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.