Finding the Fourth Proportional to 283,337.02, 390,917.34 and 160,809.70
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Solution
The fourth proportional to 283,337.02, 390,917.34 and 160,809.70 is: 221,867.58
Step by Step Solution
- Step 1: Write the proportion equation
283,337.02 : 390,917.34 = 160,809.70 : x - Step 2: Convert to fraction form
283,337.02/390,917.34 = 160,809.70/x - Step 3: Cross multiply
283,337.02x = 390,917.34 × 160,809.70 - Step 4: Simplify right side
283,337.02x = 62,863,300,170.20 - Step 5: Solve for x
x = 62,863,300,170.20/283,337.02 - Step 6: Final answer
x = 221,867.58
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1.5x scale
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.