Finding the Fourth Proportional to 469,754.65, 648,429.51 and 278,767.99
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Solution
The fourth proportional to 469,754.65, 648,429.51 and 278,767.99 is: 384,799.58
Step by Step Solution
- Step 1: Write the proportion equation
469,754.65 : 648,429.51 = 278,767.99 : x - Step 2: Convert to fraction form
469,754.65/648,429.51 = 278,767.99/x - Step 3: Cross multiply
469,754.65x = 648,429.51 × 278,767.99 - Step 4: Simplify right side
469,754.65x = 180,761,391,159.39 - Step 5: Solve for x
x = 180,761,391,159.39/469,754.65 - Step 6: Final answer
x = 384,799.58
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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.