Finding the Fourth Proportional to 654,649.17, 903,342.42 and 368,163.11
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Solution
The fourth proportional to 654,649.17, 903,342.42 and 368,163.11 is: 508,023.79
Step by Step Solution
- Step 1: Write the proportion equation
654,649.17 : 903,342.42 = 368,163.11 : x - Step 2: Convert to fraction form
654,649.17/903,342.42 = 368,163.11/x - Step 3: Cross multiply
654,649.17x = 903,342.42 × 368,163.11 - Step 4: Simplify right side
654,649.17x = 332,577,350,225.41 - Step 5: Solve for x
x = 332,577,350,225.41/654,649.17 - Step 6: Final answer
x = 508,023.79
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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.