Finding the Fourth Proportional to 113,625.18, 156,803.88 and 62,639.88
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Solution
The fourth proportional to 113,625.18, 156,803.88 and 62,639.88 is: 86,443.66
Step by Step Solution
- Step 1: Write the proportion equation
113,625.18 : 156,803.88 = 62,639.88 : x - Step 2: Convert to fraction form
113,625.18/156,803.88 = 62,639.88/x - Step 3: Cross multiply
113,625.18x = 156,803.88 × 62,639.88 - Step 4: Simplify right side
113,625.18x = 9,822,176,226.73 - Step 5: Solve for x
x = 9,822,176,226.73/113,625.18 - Step 6: Final answer
x = 86,443.66
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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.