Finding the Fourth Proportional to 276,708.20, 414,124.08 and 170,159.10
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Solution
The fourth proportional to 276,708.20, 414,124.08 and 170,159.10 is: 254,661.71
Step by Step Solution
- Step 1: Write the proportion equation
276,708.20 : 414,124.08 = 170,159.10 : x - Step 2: Convert to fraction form
276,708.20/414,124.08 = 170,159.10/x - Step 3: Cross multiply
276,708.20x = 414,124.08 × 170,159.10 - Step 4: Simplify right side
276,708.20x = 70,466,980,741.13 - Step 5: Solve for x
x = 70,466,980,741.13/276,708.20 - Step 6: Final answer
x = 254,661.71
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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.