Finding the Fourth Proportional to 153,180.05, 211,154.19 and 107,734.19
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Solution
The fourth proportional to 153,180.05, 211,154.19 and 107,734.19 is: 148,508.41
Step by Step Solution
- Step 1: Write the proportion equation
153,180.05 : 211,154.19 = 107,734.19 : x - Step 2: Convert to fraction form
153,180.05/211,154.19 = 107,734.19/x - Step 3: Cross multiply
153,180.05x = 211,154.19 × 107,734.19 - Step 4: Simplify right side
153,180.05x = 22,748,525,624.76 - Step 5: Solve for x
x = 22,748,525,624.76/153,180.05 - Step 6: Final answer
x = 148,508.41
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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.