Finding the Fourth Proportional to 260,225.19, 390,337.92 and 73,236.69
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Solution
The fourth proportional to 260,225.19, 390,337.92 and 73,236.69 is: 109,855.07
Step by Step Solution
- Step 1: Write the proportion equation
260,225.19 : 390,337.92 = 73,236.69 : x - Step 2: Convert to fraction form
260,225.19/390,337.92 = 73,236.69/x - Step 3: Cross multiply
260,225.19x = 390,337.92 × 73,236.69 - Step 4: Simplify right side
260,225.19x = 28,587,057,242.28 - Step 5: Solve for x
x = 28,587,057,242.28/260,225.19 - Step 6: Final answer
x = 109,855.07
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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.