Finding the Fourth Proportional to 278,567.91, 417,849.44 and 68,206.05
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Solution
The fourth proportional to 278,567.91, 417,849.44 and 68,206.05 is: 102,308.48
Step by Step Solution
- Step 1: Write the proportion equation
278,567.91 : 417,849.44 = 68,206.05 : x - Step 2: Convert to fraction form
278,567.91/417,849.44 = 68,206.05/x - Step 3: Cross multiply
278,567.91x = 417,849.44 × 68,206.05 - Step 4: Simplify right side
278,567.91x = 28,499,859,456.08 - Step 5: Solve for x
x = 28,499,859,456.08/278,567.91 - Step 6: Final answer
x = 102,308.48
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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.