Finding the Fourth Proportional to 453,023.12, 625,496.64 and 317,358.08
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Solution
The fourth proportional to 453,023.12, 625,496.64 and 317,358.08 is: 438,181.64
Step by Step Solution
- Step 1: Write the proportion equation
453,023.12 : 625,496.64 = 317,358.08 : x - Step 2: Convert to fraction form
453,023.12/625,496.64 = 317,358.08/x - Step 3: Cross multiply
453,023.12x = 625,496.64 × 317,358.08 - Step 4: Simplify right side
453,023.12x = 198,506,412,716.85 - Step 5: Solve for x
x = 198,506,412,716.85/453,023.12 - Step 6: Final answer
x = 438,181.64
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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.