Finding the Fourth Proportional to 283,020.79, 390,747.99 and 175,704.70
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Solution
The fourth proportional to 283,020.79, 390,747.99 and 175,704.70 is: 242,583.80
Step by Step Solution
- Step 1: Write the proportion equation
283,020.79 : 390,747.99 = 175,704.70 : x - Step 2: Convert to fraction form
283,020.79/390,747.99 = 175,704.70/x - Step 3: Cross multiply
283,020.79x = 390,747.99 × 175,704.70 - Step 4: Simplify right side
283,020.79x = 68,656,258,358.55 - Step 5: Solve for x
x = 68,656,258,358.55/283,020.79 - Step 6: Final answer
x = 242,583.80
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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.