Finding the Fourth Proportional to 368,318.71, 508,276.14 and 204,972.46
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Solution
The fourth proportional to 368,318.71, 508,276.14 and 204,972.46 is: 282,859.95
Step by Step Solution
- Step 1: Write the proportion equation
368,318.71 : 508,276.14 = 204,972.46 : x - Step 2: Convert to fraction form
368,318.71/508,276.14 = 204,972.46/x - Step 3: Cross multiply
368,318.71x = 508,276.14 × 204,972.46 - Step 4: Simplify right side
368,318.71x = 104,182,610,775.10 - Step 5: Solve for x
x = 104,182,610,775.10/368,318.71 - Step 6: Final answer
x = 282,859.95
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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.