Finding the Fourth Proportional to 435,372.12, 653,246.10 and 225,157.68
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Solution
The fourth proportional to 435,372.12, 653,246.10 and 225,157.68 is: 337,833.70
Step by Step Solution
- Step 1: Write the proportion equation
435,372.12 : 653,246.10 = 225,157.68 : x - Step 2: Convert to fraction form
435,372.12/653,246.10 = 225,157.68/x - Step 3: Cross multiply
435,372.12x = 653,246.10 × 225,157.68 - Step 4: Simplify right side
435,372.12x = 147,083,376,345.05 - Step 5: Solve for x
x = 147,083,376,345.05/435,372.12 - Step 6: Final answer
x = 337,833.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.