Finding the Fourth Proportional to 202,415.68, 302,874.24 and 162,312.02
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Solution
The fourth proportional to 202,415.68, 302,874.24 and 162,312.02 is: 242,867.20
Step by Step Solution
- Step 1: Write the proportion equation
202,415.68 : 302,874.24 = 162,312.02 : x - Step 2: Convert to fraction form
202,415.68/302,874.24 = 162,312.02/x - Step 3: Cross multiply
202,415.68x = 302,874.24 × 162,312.02 - Step 4: Simplify right side
202,415.68x = 49,160,129,700.36 - Step 5: Solve for x
x = 49,160,129,700.36/202,415.68 - Step 6: Final answer
x = 242,867.20
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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.