Finding the Fourth Proportional to 162,846.64, 243,909.06 and 125,129.08
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Solution
The fourth proportional to 162,846.64, 243,909.06 and 125,129.08 is: 187,416.31
Step by Step Solution
- Step 1: Write the proportion equation
162,846.64 : 243,909.06 = 125,129.08 : x - Step 2: Convert to fraction form
162,846.64/243,909.06 = 125,129.08/x - Step 3: Cross multiply
162,846.64x = 243,909.06 × 125,129.08 - Step 4: Simplify right side
162,846.64x = 30,520,116,281.46 - Step 5: Solve for x
x = 30,520,116,281.46/162,846.64 - Step 6: Final answer
x = 187,416.31
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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.