Finding the Fourth Proportional to 282,823.24, 390,286.02 and 155,497.84
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Solution
The fourth proportional to 282,823.24, 390,286.02 and 155,497.84 is: 214,581.49
Step by Step Solution
- Step 1: Write the proportion equation
282,823.24 : 390,286.02 = 155,497.84 : x - Step 2: Convert to fraction form
282,823.24/390,286.02 = 155,497.84/x - Step 3: Cross multiply
282,823.24x = 390,286.02 × 155,497.84 - Step 4: Simplify right side
282,823.24x = 60,688,633,092.20 - Step 5: Solve for x
x = 60,688,633,092.20/282,823.24 - Step 6: Final answer
x = 214,581.49
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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.