Finding the Fourth Proportional to 302,725.13, 417,760.79 and 175,474.53
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Solution
The fourth proportional to 302,725.13, 417,760.79 and 175,474.53 is: 242,154.92
Step by Step Solution
- Step 1: Write the proportion equation
302,725.13 : 417,760.79 = 175,474.53 : x - Step 2: Convert to fraction form
302,725.13/417,760.79 = 175,474.53/x - Step 3: Cross multiply
302,725.13x = 417,760.79 × 175,474.53 - Step 4: Simplify right side
302,725.13x = 73,306,377,400.31 - Step 5: Solve for x
x = 73,306,377,400.31/302,725.13 - Step 6: Final answer
x = 242,154.92
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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.