Finding the Fourth Proportional to 408,400.84, 563,512.44 and 247,270.88
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Solution
The fourth proportional to 408,400.84, 563,512.44 and 247,270.88 is: 341,184.94
Step by Step Solution
- Step 1: Write the proportion equation
408,400.84 : 563,512.44 = 247,270.88 : x - Step 2: Convert to fraction form
408,400.84/563,512.44 = 247,270.88/x - Step 3: Cross multiply
408,400.84x = 563,512.44 × 247,270.88 - Step 4: Simplify right side
408,400.84x = 139,340,216,096.04 - Step 5: Solve for x
x = 139,340,216,096.04/408,400.84 - Step 6: Final answer
x = 341,184.94
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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.