Finding the Fourth Proportional to 161,427.99, 242,143.20 and 56,246.79
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Solution
The fourth proportional to 161,427.99, 242,143.20 and 56,246.79 is: 84,370.61
Step by Step Solution
- Step 1: Write the proportion equation
161,427.99 : 242,143.20 = 56,246.79 : x - Step 2: Convert to fraction form
161,427.99/242,143.20 = 56,246.79/x - Step 3: Cross multiply
161,427.99x = 242,143.20 × 56,246.79 - Step 4: Simplify right side
161,427.99x = 13,619,777,720.33 - Step 5: Solve for x
x = 13,619,777,720.33/161,427.99 - Step 6: Final answer
x = 84,370.61
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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.