Finding the Fourth Proportional to 162,356.18, 243,558.58 and 57,156.62
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Solution
The fourth proportional to 162,356.18, 243,558.58 and 57,156.62 is: 85,743.49
Step by Step Solution
- Step 1: Write the proportion equation
162,356.18 : 243,558.58 = 57,156.62 : x - Step 2: Convert to fraction form
162,356.18/243,558.58 = 57,156.62/x - Step 3: Cross multiply
162,356.18x = 243,558.58 × 57,156.62 - Step 4: Simplify right side
162,356.18x = 13,920,985,204.80 - Step 5: Solve for x
x = 13,920,985,204.80/162,356.18 - Step 6: Final answer
x = 85,743.49
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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.