Finding the Fourth Proportional to 160,469.84, 221,451.84 and 87,875.79
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Solution
The fourth proportional to 160,469.84, 221,451.84 and 87,875.79 is: 121,270.49
Step by Step Solution
- Step 1: Write the proportion equation
160,469.84 : 221,451.84 = 87,875.79 : x - Step 2: Convert to fraction form
160,469.84/221,451.84 = 87,875.79/x - Step 3: Cross multiply
160,469.84x = 221,451.84 × 87,875.79 - Step 4: Simplify right side
160,469.84x = 19,460,255,386.95 - Step 5: Solve for x
x = 19,460,255,386.95/160,469.84 - Step 6: Final answer
x = 121,270.49
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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.