Finding the Fourth Proportional to 272,453.18, 408,682.08 and 94,959.90
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Solution
The fourth proportional to 272,453.18, 408,682.08 and 94,959.90 is: 142,440.66
Step by Step Solution
- Step 1: Write the proportion equation
272,453.18 : 408,682.08 = 94,959.90 : x - Step 2: Convert to fraction form
272,453.18/408,682.08 = 94,959.90/x - Step 3: Cross multiply
272,453.18x = 408,682.08 × 94,959.90 - Step 4: Simplify right side
272,453.18x = 38,808,409,448.59 - Step 5: Solve for x
x = 38,808,409,448.59/272,453.18 - Step 6: Final answer
x = 142,440.66
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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.