Finding the Fourth Proportional to 153,262.40, 230,045.28 and 125,511.68
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Solution
The fourth proportional to 153,262.40, 230,045.28 and 125,511.68 is: 188,391.74
Step by Step Solution
- Step 1: Write the proportion equation
153,262.40 : 230,045.28 = 125,511.68 : x - Step 2: Convert to fraction form
153,262.40/230,045.28 = 125,511.68/x - Step 3: Cross multiply
153,262.40x = 230,045.28 × 125,511.68 - Step 4: Simplify right side
153,262.40x = 28,873,369,568.87 - Step 5: Solve for x
x = 28,873,369,568.87/153,262.40 - Step 6: Final answer
x = 188,391.74
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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.