Finding the Fourth Proportional to 180,440.13, 270,120.93 and 109,146.99
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Solution
The fourth proportional to 180,440.13, 270,120.93 and 109,146.99 is: 163,394.29
Step by Step Solution
- Step 1: Write the proportion equation
180,440.13 : 270,120.93 = 109,146.99 : x - Step 2: Convert to fraction form
180,440.13/270,120.93 = 109,146.99/x - Step 3: Cross multiply
180,440.13x = 270,120.93 × 109,146.99 - Step 4: Simplify right side
180,440.13x = 29,482,886,445.50 - Step 5: Solve for x
x = 29,482,886,445.50/180,440.13 - Step 6: Final answer
x = 163,394.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.