Finding the Fourth Proportional to 219,809.60, 303,337.60 and 119,207.68
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Solution
The fourth proportional to 219,809.60, 303,337.60 and 119,207.68 is: 164,506.79
Step by Step Solution
- Step 1: Write the proportion equation
219,809.60 : 303,337.60 = 119,207.68 : x - Step 2: Convert to fraction form
219,809.60/303,337.60 = 119,207.68/x - Step 3: Cross multiply
219,809.60x = 303,337.60 × 119,207.68 - Step 4: Simplify right side
219,809.60x = 36,160,171,552.77 - Step 5: Solve for x
x = 36,160,171,552.77/219,809.60 - Step 6: Final answer
x = 164,506.79
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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.