Finding the Fourth Proportional to 371,919.01, 513,228.55 and 210,775.99
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Solution
The fourth proportional to 371,919.01, 513,228.55 and 210,775.99 is: 290,859.71
Step by Step Solution
- Step 1: Write the proportion equation
371,919.01 : 513,228.55 = 210,775.99 : x - Step 2: Convert to fraction form
371,919.01/513,228.55 = 210,775.99/x - Step 3: Cross multiply
371,919.01x = 513,228.55 × 210,775.99 - Step 4: Simplify right side
371,919.01x = 108,176,252,102.49 - Step 5: Solve for x
x = 108,176,252,102.49/371,919.01 - Step 6: Final answer
x = 290,859.71
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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.