Finding the Fourth Proportional to 283,271.88, 390,790.26 and 175,626.12
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Solution
The fourth proportional to 283,271.88, 390,790.26 and 175,626.12 is: 242,286.59
Step by Step Solution
- Step 1: Write the proportion equation
283,271.88 : 390,790.26 = 175,626.12 : x - Step 2: Convert to fraction form
283,271.88/390,790.26 = 175,626.12/x - Step 3: Cross multiply
283,271.88x = 390,790.26 × 175,626.12 - Step 4: Simplify right side
283,271.88x = 68,632,977,097.59 - Step 5: Solve for x
x = 68,632,977,097.59/283,271.88 - Step 6: Final answer
x = 242,286.59
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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.