Finding the Fourth Proportional to 409,811.22, 565,579.80 and 248,653.62
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Solution
The fourth proportional to 409,811.22, 565,579.80 and 248,653.62 is: 343,166.46
Step by Step Solution
- Step 1: Write the proportion equation
409,811.22 : 565,579.80 = 248,653.62 : x - Step 2: Convert to fraction form
409,811.22/565,579.80 = 248,653.62/x - Step 3: Cross multiply
409,811.22x = 565,579.80 × 248,653.62 - Step 4: Simplify right side
409,811.22x = 140,633,464,668.88 - Step 5: Solve for x
x = 140,633,464,668.88/409,811.22 - Step 6: Final answer
x = 343,166.46
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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.