Finding the Fourth Proportional to 349,722.30, 524,713.05 and 113,072.70
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Solution
The fourth proportional to 349,722.30, 524,713.05 and 113,072.70 is: 169,650.95
Step by Step Solution
- Step 1: Write the proportion equation
349,722.30 : 524,713.05 = 113,072.70 : x - Step 2: Convert to fraction form
349,722.30/524,713.05 = 113,072.70/x - Step 3: Cross multiply
349,722.30x = 524,713.05 × 113,072.70 - Step 4: Simplify right side
349,722.30x = 59,330,721,288.74 - Step 5: Solve for x
x = 59,330,721,288.74/349,722.30 - Step 6: Final answer
x = 169,650.95
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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.