Finding the Fourth Proportional to 408,327.24, 563,503.14 and 247,211.40
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Solution
The fourth proportional to 408,327.24, 563,503.14 and 247,211.40 is: 341,158.72
Step by Step Solution
- Step 1: Write the proportion equation
408,327.24 : 563,503.14 = 247,211.40 : x - Step 2: Convert to fraction form
408,327.24/563,503.14 = 247,211.40/x - Step 3: Cross multiply
408,327.24x = 563,503.14 × 247,211.40 - Step 4: Simplify right side
408,327.24x = 139,304,400,143.80 - Step 5: Solve for x
x = 139,304,400,143.80/408,327.24 - Step 6: Final answer
x = 341,158.72
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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.