Finding the Fourth Proportional to 278,021.36, 383,670.88 and 150,695.84
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Solution
The fourth proportional to 278,021.36, 383,670.88 and 150,695.84 is: 207,961.02
Step by Step Solution
- Step 1: Write the proportion equation
278,021.36 : 383,670.88 = 150,695.84 : x - Step 2: Convert to fraction form
278,021.36/383,670.88 = 150,695.84/x - Step 3: Cross multiply
278,021.36x = 383,670.88 × 150,695.84 - Step 4: Simplify right side
278,021.36x = 57,817,605,545.14 - Step 5: Solve for x
x = 57,817,605,545.14/278,021.36 - Step 6: Final answer
x = 207,961.02
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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.