Finding the Fourth Proportional to 160,640.76, 221,701.08 and 92,673.06
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Solution
The fourth proportional to 160,640.76, 221,701.08 and 92,673.06 is: 127,898.53
Step by Step Solution
- Step 1: Write the proportion equation
160,640.76 : 221,701.08 = 92,673.06 : x - Step 2: Convert to fraction form
160,640.76/221,701.08 = 92,673.06/x - Step 3: Cross multiply
160,640.76x = 221,701.08 × 92,673.06 - Step 4: Simplify right side
160,640.76x = 20,545,717,488.90 - Step 5: Solve for x
x = 20,545,717,488.90/160,640.76 - Step 6: Final answer
x = 127,898.53
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1.5x scale
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.