Finding the Fourth Proportional to 330,478.41, 456,023.19 and 187,207.77
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Solution
The fourth proportional to 330,478.41, 456,023.19 and 187,207.77 is: 258,325.75
Step by Step Solution
- Step 1: Write the proportion equation
330,478.41 : 456,023.19 = 187,207.77 : x - Step 2: Convert to fraction form
330,478.41/456,023.19 = 187,207.77/x - Step 3: Cross multiply
330,478.41x = 456,023.19 × 187,207.77 - Step 4: Simplify right side
330,478.41x = 85,371,084,468.19 - Step 5: Solve for x
x = 85,371,084,468.19/330,478.41 - Step 6: Final answer
x = 258,325.75
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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.