Finding the Fourth Proportional to 746,440.71, 1,119,661.86 and 185,475.21
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Solution
The fourth proportional to 746,440.71, 1,119,661.86 and 185,475.21 is: 278,213.01
Step by Step Solution
- Step 1: Write the proportion equation
746,440.71 : 1,119,661.86 = 185,475.21 : x - Step 2: Convert to fraction form
746,440.71/1,119,661.86 = 185,475.21/x - Step 3: Cross multiply
746,440.71x = 1,119,661.86 × 185,475.21 - Step 4: Simplify right side
746,440.71x = 207,669,518,612.49 - Step 5: Solve for x
x = 207,669,518,612.49/746,440.71 - Step 6: Final answer
x = 278,213.01
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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.