Finding the Fourth Proportional to 368,324.86, 508,284.62 and 204,978.63
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Solution
The fourth proportional to 368,324.86, 508,284.62 and 204,978.63 is: 282,868.45
Step by Step Solution
- Step 1: Write the proportion equation
368,324.86 : 508,284.62 = 204,978.63 : x - Step 2: Convert to fraction form
368,324.86/508,284.62 = 204,978.63/x - Step 3: Cross multiply
368,324.86x = 508,284.62 × 204,978.63 - Step 4: Simplify right side
368,324.86x = 104,187,484,701.46 - Step 5: Solve for x
x = 104,187,484,701.46/368,324.86 - Step 6: Final answer
x = 282,868.45
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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.