Finding the Fourth Proportional to 162,159.18, 243,233.46 and 73,412.70
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Solution
The fourth proportional to 162,159.18, 243,233.46 and 73,412.70 is: 110,116.65
Step by Step Solution
- Step 1: Write the proportion equation
162,159.18 : 243,233.46 = 73,412.70 : x - Step 2: Convert to fraction form
162,159.18/243,233.46 = 73,412.70/x - Step 3: Cross multiply
162,159.18x = 243,233.46 × 73,412.70 - Step 4: Simplify right side
162,159.18x = 17,856,425,028.94 - Step 5: Solve for x
x = 17,856,425,028.94/162,159.18 - Step 6: Final answer
x = 110,116.65
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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.