Finding the Fourth Proportional to 72,281.52, 108,382.68 and 22,348.08
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Solution
The fourth proportional to 72,281.52, 108,382.68 and 22,348.08 is: 33,509.88
Step by Step Solution
- Step 1: Write the proportion equation
72,281.52 : 108,382.68 = 22,348.08 : x - Step 2: Convert to fraction form
72,281.52/108,382.68 = 22,348.08/x - Step 3: Cross multiply
72,281.52x = 108,382.68 × 22,348.08 - Step 4: Simplify right side
72,281.52x = 2,422,144,803.25 - Step 5: Solve for x
x = 2,422,144,803.25/72,281.52 - Step 6: Final answer
x = 33,509.88
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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.