Finding the Fourth Proportional to 124,563.20, 186,844.80 and 121,282.70
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Solution
The fourth proportional to 124,563.20, 186,844.80 and 121,282.70 is: 181,924.05
Step by Step Solution
- Step 1: Write the proportion equation
124,563.20 : 186,844.80 = 121,282.70 : x - Step 2: Convert to fraction form
124,563.20/186,844.80 = 121,282.70/x - Step 3: Cross multiply
124,563.20x = 186,844.80 × 121,282.70 - Step 4: Simplify right side
124,563.20x = 22,661,041,824.96 - Step 5: Solve for x
x = 22,661,041,824.96/124,563.20 - Step 6: Final answer
x = 181,924.05
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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.