Finding the Fourth Proportional to 162,339.09, 224,089.44 and 122,169.38
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Solution
The fourth proportional to 162,339.09, 224,089.44 and 122,169.38 is: 168,640.02
Step by Step Solution
- Step 1: Write the proportion equation
162,339.09 : 224,089.44 = 122,169.38 : x - Step 2: Convert to fraction form
162,339.09/224,089.44 = 122,169.38/x - Step 3: Cross multiply
162,339.09x = 224,089.44 × 122,169.38 - Step 4: Simplify right side
162,339.09x = 27,376,866,828.90 - Step 5: Solve for x
x = 27,376,866,828.90/162,339.09 - Step 6: Final answer
x = 168,640.02
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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.