Finding the Fourth Proportional to 279,501.24, 385,841.70 and 164,743.68
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Solution
The fourth proportional to 279,501.24, 385,841.70 and 164,743.68 is: 227,422.90
Step by Step Solution
- Step 1: Write the proportion equation
279,501.24 : 385,841.70 = 164,743.68 : x - Step 2: Convert to fraction form
279,501.24/385,841.70 = 164,743.68/x - Step 3: Cross multiply
279,501.24x = 385,841.70 × 164,743.68 - Step 4: Simplify right side
279,501.24x = 63,564,981,555.46 - Step 5: Solve for x
x = 63,564,981,555.46/279,501.24 - Step 6: Final answer
x = 227,422.90
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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.