Finding the Fourth Proportional to 306,668.08, 423,201.92 and 170,699.10
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Solution
The fourth proportional to 306,668.08, 423,201.92 and 170,699.10 is: 235,564.74
Step by Step Solution
- Step 1: Write the proportion equation
306,668.08 : 423,201.92 = 170,699.10 : x - Step 2: Convert to fraction form
306,668.08/423,201.92 = 170,699.10/x - Step 3: Cross multiply
306,668.08x = 423,201.92 × 170,699.10 - Step 4: Simplify right side
306,668.08x = 72,240,184,421.77 - Step 5: Solve for x
x = 72,240,184,421.77/306,668.08 - Step 6: Final answer
x = 235,564.74
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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.