Finding the Fourth Proportional to 486,977.74, 672,027.80 and 272,118.02
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Solution
The fourth proportional to 486,977.74, 672,027.80 and 272,118.02 is: 375,522.04
Step by Step Solution
- Step 1: Write the proportion equation
486,977.74 : 672,027.80 = 272,118.02 : x - Step 2: Convert to fraction form
486,977.74/672,027.80 = 272,118.02/x - Step 3: Cross multiply
486,977.74x = 672,027.80 × 272,118.02 - Step 4: Simplify right side
486,977.74x = 182,870,874,320.96 - Step 5: Solve for x
x = 182,870,874,320.96/486,977.74 - Step 6: Final answer
x = 375,522.04
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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.