Finding the Fourth Proportional to 168,008.99, 251,421.24 and 104,858.68
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Solution
The fourth proportional to 168,008.99, 251,421.24 and 104,858.68 is: 156,918.38
Step by Step Solution
- Step 1: Write the proportion equation
168,008.99 : 251,421.24 = 104,858.68 : x - Step 2: Convert to fraction form
168,008.99/251,421.24 = 104,858.68/x - Step 3: Cross multiply
168,008.99x = 251,421.24 × 104,858.68 - Step 4: Simplify right side
168,008.99x = 26,363,698,584.41 - Step 5: Solve for x
x = 26,363,698,584.41/168,008.99 - Step 6: Final answer
x = 156,918.38
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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.