Finding the Fourth Proportional to 283,247.70, 390,793.79 and 160,719.81
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Solution
The fourth proportional to 283,247.70, 390,793.79 and 160,719.81 is: 221,743.38
Step by Step Solution
- Step 1: Write the proportion equation
283,247.70 : 390,793.79 = 160,719.81 : x - Step 2: Convert to fraction form
283,247.70/390,793.79 = 160,719.81/x - Step 3: Cross multiply
283,247.70x = 390,793.79 × 160,719.81 - Step 4: Simplify right side
283,247.70x = 62,808,303,908.47 - Step 5: Solve for x
x = 62,808,303,908.47/283,247.70 - Step 6: Final answer
x = 221,743.38
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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.