Finding the Fourth Proportional to 162,397.19, 224,104.16 and 90,785.63
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Solution
The fourth proportional to 162,397.19, 224,104.16 and 90,785.63 is: 125,281.95
Step by Step Solution
- Step 1: Write the proportion equation
162,397.19 : 224,104.16 = 90,785.63 : x - Step 2: Convert to fraction form
162,397.19/224,104.16 = 90,785.63/x - Step 3: Cross multiply
162,397.19x = 224,104.16 × 90,785.63 - Step 4: Simplify right side
162,397.19x = 20,345,436,230.70 - Step 5: Solve for x
x = 20,345,436,230.70/162,397.19 - Step 6: Final answer
x = 125,281.95
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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.