Finding the Fourth Proportional to 283,023.08, 390,350.74 and 175,532.84
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Solution
The fourth proportional to 283,023.08, 390,350.74 and 175,532.84 is: 242,098.19
Step by Step Solution
- Step 1: Write the proportion equation
283,023.08 : 390,350.74 = 175,532.84 : x - Step 2: Convert to fraction form
283,023.08/390,350.74 = 175,532.84/x - Step 3: Cross multiply
283,023.08x = 390,350.74 × 175,532.84 - Step 4: Simplify right side
283,023.08x = 68,519,373,988.30 - Step 5: Solve for x
x = 68,519,373,988.30/283,023.08 - Step 6: Final answer
x = 242,098.19
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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.