Finding the Fourth Proportional to 406,562.71, 609,845.40 and 102,956.70
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Solution
The fourth proportional to 406,562.71, 609,845.40 and 102,956.70 is: 154,435.39
Step by Step Solution
- Step 1: Write the proportion equation
406,562.71 : 609,845.40 = 102,956.70 : x - Step 2: Convert to fraction form
406,562.71/609,845.40 = 102,956.70/x - Step 3: Cross multiply
406,562.71x = 609,845.40 × 102,956.70 - Step 4: Simplify right side
406,562.71x = 62,787,669,894.18 - Step 5: Solve for x
x = 62,787,669,894.18/406,562.71 - Step 6: Final answer
x = 154,435.39
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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.