Finding the Fourth Proportional to 224,323.11, 336,372.21 and 74,510.87
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Solution
The fourth proportional to 224,323.11, 336,372.21 and 74,510.87 is: 111,728.95
Step by Step Solution
- Step 1: Write the proportion equation
224,323.11 : 336,372.21 = 74,510.87 : x - Step 2: Convert to fraction form
224,323.11/336,372.21 = 74,510.87/x - Step 3: Cross multiply
224,323.11x = 336,372.21 × 74,510.87 - Step 4: Simplify right side
224,323.11x = 25,063,386,010.92 - Step 5: Solve for x
x = 25,063,386,010.92/224,323.11 - Step 6: Final answer
x = 111,728.95
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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.