Finding the Fourth Proportional to 122,176.87, 183,207.80 and 47,332.06
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Solution
The fourth proportional to 122,176.87, 183,207.80 and 47,332.06 is: 70,975.81
Step by Step Solution
- Step 1: Write the proportion equation
122,176.87 : 183,207.80 = 47,332.06 : x - Step 2: Convert to fraction form
122,176.87/183,207.80 = 47,332.06/x - Step 3: Cross multiply
122,176.87x = 183,207.80 × 47,332.06 - Step 4: Simplify right side
122,176.87x = 8,671,603,139.80 - Step 5: Solve for x
x = 8,671,603,139.80/122,176.87 - Step 6: Final answer
x = 70,975.81
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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.