Finding the Fourth Proportional to 351,635.58, 485,259.39 and 190,490.49
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Solution
The fourth proportional to 351,635.58, 485,259.39 and 190,490.49 is: 262,878.12
Step by Step Solution
- Step 1: Write the proportion equation
351,635.58 : 485,259.39 = 190,490.49 : x - Step 2: Convert to fraction form
351,635.58/485,259.39 = 190,490.49/x - Step 3: Cross multiply
351,635.58x = 485,259.39 × 190,490.49 - Step 4: Simplify right side
351,635.58x = 92,437,298,978.20 - Step 5: Solve for x
x = 92,437,298,978.20/351,635.58 - Step 6: Final answer
x = 262,878.12
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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.