Finding the Fourth Proportional to 163,820.68, 245,731.12 and 45,492.03
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Solution
The fourth proportional to 163,820.68, 245,731.12 and 45,492.03 is: 68,238.07
Step by Step Solution
- Step 1: Write the proportion equation
163,820.68 : 245,731.12 = 45,492.03 : x - Step 2: Convert to fraction form
163,820.68/245,731.12 = 45,492.03/x - Step 3: Cross multiply
163,820.68x = 245,731.12 × 45,492.03 - Step 4: Simplify right side
163,820.68x = 11,178,807,369.24 - Step 5: Solve for x
x = 11,178,807,369.24/163,820.68 - Step 6: Final answer
x = 68,238.07
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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.