Finding the Fourth Proportional to 162,079.68, 243,192.24 and 102,899.52
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Solution
The fourth proportional to 162,079.68, 243,192.24 and 102,899.52 is: 154,395.45
Step by Step Solution
- Step 1: Write the proportion equation
162,079.68 : 243,192.24 = 102,899.52 : x - Step 2: Convert to fraction form
162,079.68/243,192.24 = 102,899.52/x - Step 3: Cross multiply
162,079.68x = 243,192.24 × 102,899.52 - Step 4: Simplify right side
162,079.68x = 25,024,364,763.72 - Step 5: Solve for x
x = 25,024,364,763.72/162,079.68 - Step 6: Final answer
x = 154,395.45
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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.