Finding the Fourth Proportional to 219,475.17, 329,239.14 and 77,291.06
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Solution
The fourth proportional to 219,475.17, 329,239.14 and 77,291.06 is: 115,945.88
Step by Step Solution
- Step 1: Write the proportion equation
219,475.17 : 329,239.14 = 77,291.06 : x - Step 2: Convert to fraction form
219,475.17/329,239.14 = 77,291.06/x - Step 3: Cross multiply
219,475.17x = 329,239.14 × 77,291.06 - Step 4: Simplify right side
219,475.17x = 25,447,241,422.70 - Step 5: Solve for x
x = 25,447,241,422.70/219,475.17 - Step 6: Final answer
x = 115,945.88
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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.