Finding the Fourth Proportional to 381,750.08, 526,806.96 and 211,981.28
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Solution
The fourth proportional to 381,750.08, 526,806.96 and 211,981.28 is: 292,529.64
Step by Step Solution
- Step 1: Write the proportion equation
381,750.08 : 526,806.96 = 211,981.28 : x - Step 2: Convert to fraction form
381,750.08/526,806.96 = 211,981.28/x - Step 3: Cross multiply
381,750.08x = 526,806.96 × 211,981.28 - Step 4: Simplify right side
381,750.08x = 111,673,213,693.71 - Step 5: Solve for x
x = 111,673,213,693.71/381,750.08 - Step 6: Final answer
x = 292,529.64
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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.