Finding the Fourth Proportional to 302,689.71, 417,711.78 and 175,439.13
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Solution
The fourth proportional to 302,689.71, 417,711.78 and 175,439.13 is: 242,105.99
Step by Step Solution
- Step 1: Write the proportion equation
302,689.71 : 417,711.78 = 175,439.13 : x - Step 2: Convert to fraction form
302,689.71/417,711.78 = 175,439.13/x - Step 3: Cross multiply
302,689.71x = 417,711.78 × 175,439.13 - Step 4: Simplify right side
302,689.71x = 73,282,991,273.95 - Step 5: Solve for x
x = 73,282,991,273.95/302,689.71 - Step 6: Final answer
x = 242,105.99
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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.