Finding the Fourth Proportional to 121,277.10, 182,002.05 and 51,206.70
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Solution
The fourth proportional to 121,277.10, 182,002.05 and 51,206.70 is: 76,846.53
Step by Step Solution
- Step 1: Write the proportion equation
121,277.10 : 182,002.05 = 51,206.70 : x - Step 2: Convert to fraction form
121,277.10/182,002.05 = 51,206.70/x - Step 3: Cross multiply
121,277.10x = 182,002.05 × 51,206.70 - Step 4: Simplify right side
121,277.10x = 9,319,724,373.74 - Step 5: Solve for x
x = 9,319,724,373.74/121,277.10 - Step 6: Final answer
x = 76,846.53
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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.