Finding the Fourth Proportional to 185,030.74, 255,344.29 and 100,149.62
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Solution
The fourth proportional to 185,030.74, 255,344.29 and 100,149.62 is: 138,207.49
Step by Step Solution
- Step 1: Write the proportion equation
185,030.74 : 255,344.29 = 100,149.62 : x - Step 2: Convert to fraction form
185,030.74/255,344.29 = 100,149.62/x - Step 3: Cross multiply
185,030.74x = 255,344.29 × 100,149.62 - Step 4: Simplify right side
185,030.74x = 25,572,633,612.67 - Step 5: Solve for x
x = 25,572,633,612.67/185,030.74 - Step 6: Final answer
x = 138,207.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.