Finding the Fourth Proportional to 371,575.88, 512,757.55 and 210,432.08
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Solution
The fourth proportional to 371,575.88, 512,757.55 and 210,432.08 is: 290,386.55
Step by Step Solution
- Step 1: Write the proportion equation
371,575.88 : 512,757.55 = 210,432.08 : x - Step 2: Convert to fraction form
371,575.88/512,757.55 = 210,432.08/x - Step 3: Cross multiply
371,575.88x = 512,757.55 × 210,432.08 - Step 4: Simplify right side
371,575.88x = 107,900,637,782.20 - Step 5: Solve for x
x = 107,900,637,782.20/371,575.88 - Step 6: Final answer
x = 290,386.55
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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.