Finding the Fourth Proportional to 424,208.80, 585,401.84 and 230,610.08
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Solution
The fourth proportional to 424,208.80, 585,401.84 and 230,610.08 is: 318,238.48
Step by Step Solution
- Step 1: Write the proportion equation
424,208.80 : 585,401.84 = 230,610.08 : x - Step 2: Convert to fraction form
424,208.80/585,401.84 = 230,610.08/x - Step 3: Cross multiply
424,208.80x = 585,401.84 × 230,610.08 - Step 4: Simplify right side
424,208.80x = 134,999,565,154.55 - Step 5: Solve for x
x = 134,999,565,154.55/424,208.80 - Step 6: Final answer
x = 318,238.48
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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.