Finding the Fourth Proportional to 282,954.85, 390,533.17 and 162,177.08
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Solution
The fourth proportional to 282,954.85, 390,533.17 and 162,177.08 is: 223,836.17
Step by Step Solution
- Step 1: Write the proportion equation
282,954.85 : 390,533.17 = 162,177.08 : x - Step 2: Convert to fraction form
282,954.85/390,533.17 = 162,177.08/x - Step 3: Cross multiply
282,954.85x = 390,533.17 × 162,177.08 - Step 4: Simplify right side
282,954.85x = 63,335,529,153.74 - Step 5: Solve for x
x = 63,335,529,153.74/282,954.85 - Step 6: Final answer
x = 223,836.17
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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.