Finding the Fourth Proportional to 472,892.34, 709,659.80 and 192,460.62
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Solution
The fourth proportional to 472,892.34, 709,659.80 and 192,460.62 is: 288,821.69
Step by Step Solution
- Step 1: Write the proportion equation
472,892.34 : 709,659.80 = 192,460.62 : x - Step 2: Convert to fraction form
472,892.34/709,659.80 = 192,460.62/x - Step 3: Cross multiply
472,892.34x = 709,659.80 × 192,460.62 - Step 4: Simplify right side
472,892.34x = 136,581,565,097.08 - Step 5: Solve for x
x = 136,581,565,097.08/472,892.34 - Step 6: Final answer
x = 288,821.69
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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.