Finding the Fourth Proportional to 272,204.22, 408,389.40 and 139,177.92
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Solution
The fourth proportional to 272,204.22, 408,389.40 and 139,177.92 is: 208,809.35
Step by Step Solution
- Step 1: Write the proportion equation
272,204.22 : 408,389.40 = 139,177.92 : x - Step 2: Convert to fraction form
272,204.22/408,389.40 = 139,177.92/x - Step 3: Cross multiply
272,204.22x = 408,389.40 × 139,177.92 - Step 4: Simplify right side
272,204.22x = 56,838,787,242.05 - Step 5: Solve for x
x = 56,838,787,242.05/272,204.22 - Step 6: Final answer
x = 208,809.35
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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.