Finding the Fourth Proportional to 746,439.21, 1,119,659.60 and 185,473.71
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Solution
The fourth proportional to 746,439.21, 1,119,659.60 and 185,473.71 is: 278,210.76
Step by Step Solution
- Step 1: Write the proportion equation
746,439.21 : 1,119,659.60 = 185,473.71 : x - Step 2: Convert to fraction form
746,439.21/1,119,659.60 = 185,473.71/x - Step 3: Cross multiply
746,439.21x = 1,119,659.60 × 185,473.71 - Step 4: Simplify right side
746,439.21x = 207,667,420,412.80 - Step 5: Solve for x
x = 207,667,420,412.80/746,439.21 - Step 6: Final answer
x = 278,210.76
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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.