Finding the Fourth Proportional to 272,388.63, 408,228.98 and 152,440.59
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Solution
The fourth proportional to 272,388.63, 408,228.98 and 152,440.59 is: 228,462.79
Step by Step Solution
- Step 1: Write the proportion equation
272,388.63 : 408,228.98 = 152,440.59 : x - Step 2: Convert to fraction form
272,388.63/408,228.98 = 152,440.59/x - Step 3: Cross multiply
272,388.63x = 408,228.98 × 152,440.59 - Step 4: Simplify right side
272,388.63x = 62,230,665,804.10 - Step 5: Solve for x
x = 62,230,665,804.10/272,388.63 - Step 6: Final answer
x = 228,462.79
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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.