Finding the Fourth Proportional to 353,634.19, 530,446.08 and 87,394.69
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Solution
The fourth proportional to 353,634.19, 530,446.08 and 87,394.69 is: 131,090.75
Step by Step Solution
- Step 1: Write the proportion equation
353,634.19 : 530,446.08 = 87,394.69 : x - Step 2: Convert to fraction form
353,634.19/530,446.08 = 87,394.69/x - Step 3: Cross multiply
353,634.19x = 530,446.08 × 87,394.69 - Step 4: Simplify right side
353,634.19x = 46,358,170,723.32 - Step 5: Solve for x
x = 46,358,170,723.32/353,634.19 - Step 6: Final answer
x = 131,090.75
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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.