Finding the Fourth Proportional to 168,267.31, 232,210.37 and 91,786.75
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Solution
The fourth proportional to 168,267.31, 232,210.37 and 91,786.75 is: 126,666.52
Step by Step Solution
- Step 1: Write the proportion equation
168,267.31 : 232,210.37 = 91,786.75 : x - Step 2: Convert to fraction form
168,267.31/232,210.37 = 91,786.75/x - Step 3: Cross multiply
168,267.31x = 232,210.37 × 91,786.75 - Step 4: Simplify right side
168,267.31x = 21,313,834,017.55 - Step 5: Solve for x
x = 21,313,834,017.55/168,267.31 - Step 6: Final answer
x = 126,666.52
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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.