Finding the Fourth Proportional to 371,377.12, 556,521.36 and 230,709.28
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Solution
The fourth proportional to 371,377.12, 556,521.36 and 230,709.28 is: 345,725.77
Step by Step Solution
- Step 1: Write the proportion equation
371,377.12 : 556,521.36 = 230,709.28 : x - Step 2: Convert to fraction form
371,377.12/556,521.36 = 230,709.28/x - Step 3: Cross multiply
371,377.12x = 556,521.36 × 230,709.28 - Step 4: Simplify right side
371,377.12x = 128,394,642,270.22 - Step 5: Solve for x
x = 128,394,642,270.22/371,377.12 - Step 6: Final answer
x = 345,725.77
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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.