Finding the Fourth Proportional to 370,209.42, 555,314.12 and 89,726.66
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Solution
The fourth proportional to 370,209.42, 555,314.12 and 89,726.66 is: 134,589.99
Step by Step Solution
- Step 1: Write the proportion equation
370,209.42 : 555,314.12 = 89,726.66 : x - Step 2: Convert to fraction form
370,209.42/555,314.12 = 89,726.66/x - Step 3: Cross multiply
370,209.42x = 555,314.12 × 89,726.66 - Step 4: Simplify right side
370,209.42x = 49,826,481,238.44 - Step 5: Solve for x
x = 49,826,481,238.44/370,209.42 - Step 6: Final answer
x = 134,589.99
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Similar ratio
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1.5x scale
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.