Finding the Fourth Proportional to 75,585.20, 113,373.60 and 22,990.55
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Solution
The fourth proportional to 75,585.20, 113,373.60 and 22,990.55 is: 34,484.55
Step by Step Solution
- Step 1: Write the proportion equation
75,585.20 : 113,373.60 = 22,990.55 : x - Step 2: Convert to fraction form
75,585.20/113,373.60 = 22,990.55/x - Step 3: Cross multiply
75,585.20x = 113,373.60 × 22,990.55 - Step 4: Simplify right side
75,585.20x = 2,606,521,419.48 - Step 5: Solve for x
x = 2,606,521,419.48/75,585.20 - Step 6: Final answer
x = 34,484.55
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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.