Finding the Fourth Proportional to 264,558.18, 396,903.20 and 77,569.68
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Solution
The fourth proportional to 264,558.18, 396,903.20 and 77,569.68 is: 116,373.85
Step by Step Solution
- Step 1: Write the proportion equation
264,558.18 : 396,903.20 = 77,569.68 : x - Step 2: Convert to fraction form
264,558.18/396,903.20 = 77,569.68/x - Step 3: Cross multiply
264,558.18x = 396,903.20 × 77,569.68 - Step 4: Simplify right side
264,558.18x = 30,787,654,532.84 - Step 5: Solve for x
x = 30,787,654,532.84/264,558.18 - Step 6: Final answer
x = 116,373.85
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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.