Finding the Fourth Proportional to 294,539.10, 441,808.65 and 272,887.80
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Solution
The fourth proportional to 294,539.10, 441,808.65 and 272,887.80 is: 409,331.70
Step by Step Solution
- Step 1: Write the proportion equation
294,539.10 : 441,808.65 = 272,887.80 : x - Step 2: Convert to fraction form
294,539.10/441,808.65 = 272,887.80/x - Step 3: Cross multiply
294,539.10x = 441,808.65 × 272,887.80 - Step 4: Simplify right side
294,539.10x = 120,564,190,519.47 - Step 5: Solve for x
x = 120,564,190,519.47/294,539.10 - Step 6: Final answer
x = 409,331.70
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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.