Finding the Fourth Proportional to 338,652.06, 508,062.56 and 239,006.90
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Solution
The fourth proportional to 338,652.06, 508,062.56 and 239,006.90 is: 358,569.95
Step by Step Solution
- Step 1: Write the proportion equation
338,652.06 : 508,062.56 = 239,006.90 : x - Step 2: Convert to fraction form
338,652.06/508,062.56 = 239,006.90/x - Step 3: Cross multiply
338,652.06x = 508,062.56 × 239,006.90 - Step 4: Simplify right side
338,652.06x = 121,430,453,736.32 - Step 5: Solve for x
x = 121,430,453,736.32/338,652.06 - Step 6: Final answer
x = 358,569.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.