Finding the Fourth Proportional to 375,409.46, 517,649.93 and 239,227.70
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Solution
The fourth proportional to 375,409.46, 517,649.93 and 239,227.70 is: 329,869.69
Step by Step Solution
- Step 1: Write the proportion equation
375,409.46 : 517,649.93 = 239,227.70 : x - Step 2: Convert to fraction form
375,409.46/517,649.93 = 239,227.70/x - Step 3: Cross multiply
375,409.46x = 517,649.93 × 239,227.70 - Step 4: Simplify right side
375,409.46x = 123,836,202,159.06 - Step 5: Solve for x
x = 123,836,202,159.06/375,409.46 - Step 6: Final answer
x = 329,869.69
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1.5x scale
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.