Finding the Fourth Proportional to 339,476.06, 508,439.08 and 162,107.63
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Solution
The fourth proportional to 339,476.06, 508,439.08 and 162,107.63 is: 242,791.35
Step by Step Solution
- Step 1: Write the proportion equation
339,476.06 : 508,439.08 = 162,107.63 : x - Step 2: Convert to fraction form
339,476.06/508,439.08 = 162,107.63/x - Step 3: Cross multiply
339,476.06x = 508,439.08 × 162,107.63 - Step 4: Simplify right side
339,476.06x = 82,421,852,913.41 - Step 5: Solve for x
x = 82,421,852,913.41/339,476.06 - Step 6: Final answer
x = 242,791.35
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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.