Finding the Fourth Proportional to 162,230.21, 243,342.11 and 48,455.08
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Solution
The fourth proportional to 162,230.21, 243,342.11 and 48,455.08 is: 72,681.66
Step by Step Solution
- Step 1: Write the proportion equation
162,230.21 : 243,342.11 = 48,455.08 : x - Step 2: Convert to fraction form
162,230.21/243,342.11 = 48,455.08/x - Step 3: Cross multiply
162,230.21x = 243,342.11 × 48,455.08 - Step 4: Simplify right side
162,230.21x = 11,791,160,554.79 - Step 5: Solve for x
x = 11,791,160,554.79/162,230.21 - Step 6: Final answer
x = 72,681.66
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1.5x scale
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.