Finding the Fourth Proportional to 124,863.21, 187,263.67 and 48,977.17
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Solution
The fourth proportional to 124,863.21, 187,263.67 and 48,977.17 is: 73,453.53
Step by Step Solution
- Step 1: Write the proportion equation
124,863.21 : 187,263.67 = 48,977.17 : x - Step 2: Convert to fraction form
124,863.21/187,263.67 = 48,977.17/x - Step 3: Cross multiply
124,863.21x = 187,263.67 × 48,977.17 - Step 4: Simplify right side
124,863.21x = 9,171,644,009.81 - Step 5: Solve for x
x = 9,171,644,009.81/124,863.21 - Step 6: Final answer
x = 73,453.53
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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.