Finding the Fourth Proportional to 165,038.07, 247,517.28 and 76,206.18
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Solution
The fourth proportional to 165,038.07, 247,517.28 and 76,206.18 is: 114,290.88
Step by Step Solution
- Step 1: Write the proportion equation
165,038.07 : 247,517.28 = 76,206.18 : x - Step 2: Convert to fraction form
165,038.07/247,517.28 = 76,206.18/x - Step 3: Cross multiply
165,038.07x = 247,517.28 × 76,206.18 - Step 4: Simplify right side
165,038.07x = 18,862,346,392.79 - Step 5: Solve for x
x = 18,862,346,392.79/165,038.07 - Step 6: Final answer
x = 114,290.88
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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.