Finding the Fourth Proportional to 468,138.30, 702,207.45 and 448,455.30
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Solution
The fourth proportional to 468,138.30, 702,207.45 and 448,455.30 is: 672,682.95
Step by Step Solution
- Step 1: Write the proportion equation
468,138.30 : 702,207.45 = 448,455.30 : x - Step 2: Convert to fraction form
468,138.30/702,207.45 = 448,455.30/x - Step 3: Cross multiply
468,138.30x = 702,207.45 × 448,455.30 - Step 4: Simplify right side
468,138.30x = 314,908,652,651.99 - Step 5: Solve for x
x = 314,908,652,651.99/468,138.30 - Step 6: Final answer
x = 672,682.95
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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.