Finding the Fourth Proportional to 420,908.99, 580,844.97 and 229,923.14
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Solution
The fourth proportional to 420,908.99, 580,844.97 and 229,923.14 is: 317,288.77
Step by Step Solution
- Step 1: Write the proportion equation
420,908.99 : 580,844.97 = 229,923.14 : x - Step 2: Convert to fraction form
420,908.99/580,844.97 = 229,923.14/x - Step 3: Cross multiply
420,908.99x = 580,844.97 × 229,923.14 - Step 4: Simplify right side
420,908.99x = 133,549,696,753.88 - Step 5: Solve for x
x = 133,549,696,753.88/420,908.99 - Step 6: Final answer
x = 317,288.77
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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.