Finding the Fourth Proportional to 274,360.18, 378,595.47 and 153,491.98
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Solution
The fourth proportional to 274,360.18, 378,595.47 and 153,491.98 is: 211,806.86
Step by Step Solution
- Step 1: Write the proportion equation
274,360.18 : 378,595.47 = 153,491.98 : x - Step 2: Convert to fraction form
274,360.18/378,595.47 = 153,491.98/x - Step 3: Cross multiply
274,360.18x = 378,595.47 × 153,491.98 - Step 4: Simplify right side
274,360.18x = 58,111,368,309.33 - Step 5: Solve for x
x = 58,111,368,309.33/274,360.18 - Step 6: Final answer
x = 211,806.86
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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.