Finding the Fourth Proportional to 371,406.08, 512,572.11 and 210,289.52
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Solution
The fourth proportional to 371,406.08, 512,572.11 and 210,289.52 is: 290,217.50
Step by Step Solution
- Step 1: Write the proportion equation
371,406.08 : 512,572.11 = 210,289.52 : x - Step 2: Convert to fraction form
371,406.08/512,572.11 = 210,289.52/x - Step 3: Cross multiply
371,406.08x = 512,572.11 × 210,289.52 - Step 4: Simplify right side
371,406.08x = 107,788,542,977.29 - Step 5: Solve for x
x = 107,788,542,977.29/371,406.08 - Step 6: Final answer
x = 290,217.50
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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.