Finding the Fourth Proportional to 150,828.77, 208,135.58 and 86,299.26
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Solution
The fourth proportional to 150,828.77, 208,135.58 and 86,299.26 is: 119,088.33
Step by Step Solution
- Step 1: Write the proportion equation
150,828.77 : 208,135.58 = 86,299.26 : x - Step 2: Convert to fraction form
150,828.77/208,135.58 = 86,299.26/x - Step 3: Cross multiply
150,828.77x = 208,135.58 × 86,299.26 - Step 4: Simplify right side
150,828.77x = 17,961,946,102.17 - Step 5: Solve for x
x = 17,961,946,102.17/150,828.77 - Step 6: Final answer
x = 119,088.33
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1.5x scale
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.