Finding the Fourth Proportional to 230,660.30, 318,303.99 and 135,230.55
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Solution
The fourth proportional to 230,660.30, 318,303.99 and 135,230.55 is: 186,613.93
Step by Step Solution
- Step 1: Write the proportion equation
230,660.30 : 318,303.99 = 135,230.55 : x - Step 2: Convert to fraction form
230,660.30/318,303.99 = 135,230.55/x - Step 3: Cross multiply
230,660.30x = 318,303.99 × 135,230.55 - Step 4: Simplify right side
230,660.30x = 43,044,423,634.89 - Step 5: Solve for x
x = 43,044,423,634.89/230,660.30 - Step 6: Final answer
x = 186,613.93
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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.