Finding the Fourth Proportional to 225,002.46, 310,491.99 and 124,381.02
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Solution
The fourth proportional to 225,002.46, 310,491.99 and 124,381.02 is: 171,639.50
Step by Step Solution
- Step 1: Write the proportion equation
225,002.46 : 310,491.99 = 124,381.02 : x - Step 2: Convert to fraction form
225,002.46/310,491.99 = 124,381.02/x - Step 3: Cross multiply
225,002.46x = 310,491.99 × 124,381.02 - Step 4: Simplify right side
225,002.46x = 38,619,310,418.03 - Step 5: Solve for x
x = 38,619,310,418.03/225,002.46 - Step 6: Final answer
x = 171,639.50
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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.