Finding the Fourth Proportional to 162,155.05, 243,232.58 and 56,984.65
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Solution
The fourth proportional to 162,155.05, 243,232.58 and 56,984.65 is: 85,476.98
Step by Step Solution
- Step 1: Write the proportion equation
162,155.05 : 243,232.58 = 56,984.65 : x - Step 2: Convert to fraction form
162,155.05/243,232.58 = 56,984.65/x - Step 3: Cross multiply
162,155.05x = 243,232.58 × 56,984.65 - Step 4: Simplify right side
162,155.05x = 13,860,523,154.97 - Step 5: Solve for x
x = 13,860,523,154.97/162,155.05 - Step 6: Final answer
x = 85,476.98
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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.