Finding the Fourth Proportional to 371,777.84, 513,052.36 and 202,011.92
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Solution
The fourth proportional to 371,777.84, 513,052.36 and 202,011.92 is: 278,775.87
Step by Step Solution
- Step 1: Write the proportion equation
371,777.84 : 513,052.36 = 202,011.92 : x - Step 2: Convert to fraction form
371,777.84/513,052.36 = 202,011.92/x - Step 3: Cross multiply
371,777.84x = 513,052.36 × 202,011.92 - Step 4: Simplify right side
371,777.84x = 103,642,689,233.84 - Step 5: Solve for x
x = 103,642,689,233.84/371,777.84 - Step 6: Final answer
x = 278,775.87
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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.