Finding the Fourth Proportional to 124,575.87, 186,752.70 and 45,671.70
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Solution
The fourth proportional to 124,575.87, 186,752.70 and 45,671.70 is: 68,466.82
Step by Step Solution
- Step 1: Write the proportion equation
124,575.87 : 186,752.70 = 45,671.70 : x - Step 2: Convert to fraction form
124,575.87/186,752.70 = 45,671.70/x - Step 3: Cross multiply
124,575.87x = 186,752.70 × 45,671.70 - Step 4: Simplify right side
124,575.87x = 8,529,313,288.59 - Step 5: Solve for x
x = 8,529,313,288.59/124,575.87 - Step 6: Final answer
x = 68,466.82
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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.