Finding the Fourth Proportional to 124,406.40, 186,454.08 and 98,006.88
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Solution
The fourth proportional to 124,406.40, 186,454.08 and 98,006.88 is: 146,887.80
Step by Step Solution
- Step 1: Write the proportion equation
124,406.40 : 186,454.08 = 98,006.88 : x - Step 2: Convert to fraction form
124,406.40/186,454.08 = 98,006.88/x - Step 3: Cross multiply
124,406.40x = 186,454.08 × 98,006.88 - Step 4: Simplify right side
124,406.40x = 18,273,782,644.07 - Step 5: Solve for x
x = 18,273,782,644.07/124,406.40 - Step 6: Final answer
x = 146,887.80
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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.