Finding the Fourth Proportional to 245,402.46, 368,108.28 and 76,919.02
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Solution
The fourth proportional to 245,402.46, 368,108.28 and 76,919.02 is: 115,379.96
Step by Step Solution
- Step 1: Write the proportion equation
245,402.46 : 368,108.28 = 76,919.02 : x - Step 2: Convert to fraction form
245,402.46/368,108.28 = 76,919.02/x - Step 3: Cross multiply
245,402.46x = 368,108.28 × 76,919.02 - Step 4: Simplify right side
245,402.46x = 28,314,527,231.21 - Step 5: Solve for x
x = 28,314,527,231.21/245,402.46 - Step 6: Final answer
x = 115,379.96
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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.