Finding the Fourth Proportional to 149,332.08, 206,077.80 and 81,352.80
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Solution
The fourth proportional to 149,332.08, 206,077.80 and 81,352.80 is: 112,266.61
Step by Step Solution
- Step 1: Write the proportion equation
149,332.08 : 206,077.80 = 81,352.80 : x - Step 2: Convert to fraction form
149,332.08/206,077.80 = 81,352.80/x - Step 3: Cross multiply
149,332.08x = 206,077.80 × 81,352.80 - Step 4: Simplify right side
149,332.08x = 16,765,006,047.84 - Step 5: Solve for x
x = 16,765,006,047.84/149,332.08 - Step 6: Final answer
x = 112,266.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.