Finding the Fourth Proportional to 162,280.50, 243,208.68 and 117,452.79
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Solution
The fourth proportional to 162,280.50, 243,208.68 and 117,452.79 is: 176,025.70
Step by Step Solution
- Step 1: Write the proportion equation
162,280.50 : 243,208.68 = 117,452.79 : x - Step 2: Convert to fraction form
162,280.50/243,208.68 = 117,452.79/x - Step 3: Cross multiply
162,280.50x = 243,208.68 × 117,452.79 - Step 4: Simplify right side
162,280.50x = 28,565,538,018.22 - Step 5: Solve for x
x = 28,565,538,018.22/162,280.50 - Step 6: Final answer
x = 176,025.70
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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.