Finding the Fourth Proportional to 371,904.84, 513,232.07 and 202,139.37
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Solution
The fourth proportional to 371,904.84, 513,232.07 and 202,139.37 is: 278,954.17
Step by Step Solution
- Step 1: Write the proportion equation
371,904.84 : 513,232.07 = 202,139.37 : x - Step 2: Convert to fraction form
371,904.84/513,232.07 = 202,139.37/x - Step 3: Cross multiply
371,904.84x = 513,232.07 × 202,139.37 - Step 4: Simplify right side
371,904.84x = 103,744,406,282.90 - Step 5: Solve for x
x = 103,744,406,282.90/371,904.84 - Step 6: Final answer
x = 278,954.17
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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.