Finding the Fourth Proportional to 561,519.30, 842,186.64 and 201,615.63
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Solution
The fourth proportional to 561,519.30, 842,186.64 and 201,615.63 is: 302,390.30
Step by Step Solution
- Step 1: Write the proportion equation
561,519.30 : 842,186.64 = 201,615.63 : x - Step 2: Convert to fraction form
561,519.30/842,186.64 = 201,615.63/x - Step 3: Cross multiply
561,519.30x = 842,186.64 × 201,615.63 - Step 4: Simplify right side
561,519.30x = 169,797,990,001.18 - Step 5: Solve for x
x = 169,797,990,001.18/561,519.30 - Step 6: Final answer
x = 302,390.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.