Finding the Fourth Proportional to 282,950.70, 390,468.87 and 155,628.06
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Solution
The fourth proportional to 282,950.70, 390,468.87 and 155,628.06 is: 214,765.02
Step by Step Solution
- Step 1: Write the proportion equation
282,950.70 : 390,468.87 = 155,628.06 : x - Step 2: Convert to fraction form
282,950.70/390,468.87 = 155,628.06/x - Step 3: Cross multiply
282,950.70x = 390,468.87 × 155,628.06 - Step 4: Simplify right side
282,950.70x = 60,767,912,728.49 - Step 5: Solve for x
x = 60,767,912,728.49/282,950.70 - Step 6: Final answer
x = 214,765.02
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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.