Finding the Fourth Proportional to 406,202.20, 609,408.42 and 237,864.76
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Solution
The fourth proportional to 406,202.20, 609,408.42 and 237,864.76 is: 356,858.70
Step by Step Solution
- Step 1: Write the proportion equation
406,202.20 : 609,408.42 = 237,864.76 : x - Step 2: Convert to fraction form
406,202.20/609,408.42 = 237,864.76/x - Step 3: Cross multiply
406,202.20x = 609,408.42 × 237,864.76 - Step 4: Simplify right side
406,202.20x = 144,956,787,565.28 - Step 5: Solve for x
x = 144,956,787,565.28/406,202.20 - Step 6: Final answer
x = 356,858.70
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1.5x scale
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.