Finding the Fourth Proportional to 409,519.68, 614,281.08 and 125,209.08
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Solution
The fourth proportional to 409,519.68, 614,281.08 and 125,209.08 is: 187,814.10
Step by Step Solution
- Step 1: Write the proportion equation
409,519.68 : 614,281.08 = 125,209.08 : x - Step 2: Convert to fraction form
409,519.68/614,281.08 = 125,209.08/x - Step 3: Cross multiply
409,519.68x = 614,281.08 × 125,209.08 - Step 4: Simplify right side
409,519.68x = 76,913,568,888.21 - Step 5: Solve for x
x = 76,913,568,888.21/409,519.68 - Step 6: Final answer
x = 187,814.10
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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.