Finding the Fourth Proportional to 285,094.24, 427,592.11 and 85,360.99
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Solution
The fourth proportional to 285,094.24, 427,592.11 and 85,360.99 is: 128,026.75
Step by Step Solution
- Step 1: Write the proportion equation
285,094.24 : 427,592.11 = 85,360.99 : x - Step 2: Convert to fraction form
285,094.24/427,592.11 = 85,360.99/x - Step 3: Cross multiply
285,094.24x = 427,592.11 × 85,360.99 - Step 4: Simplify right side
285,094.24x = 36,499,687,769.98 - Step 5: Solve for x
x = 36,499,687,769.98/285,094.24 - Step 6: Final answer
x = 128,026.75
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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.