Finding the Fourth Proportional to 165,125.80, 247,681.98 and 76,350.12
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Solution
The fourth proportional to 165,125.80, 247,681.98 and 76,350.12 is: 114,522.07
Step by Step Solution
- Step 1: Write the proportion equation
165,125.80 : 247,681.98 = 76,350.12 : x - Step 2: Convert to fraction form
165,125.80/247,681.98 = 76,350.12/x - Step 3: Cross multiply
165,125.80x = 247,681.98 × 76,350.12 - Step 4: Simplify right side
165,125.80x = 18,910,548,894.84 - Step 5: Solve for x
x = 18,910,548,894.84/165,125.80 - Step 6: Final answer
x = 114,522.07
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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.