Finding the Fourth Proportional to 167,267.48, 230,829.81 and 90,786.68
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Solution
The fourth proportional to 167,267.48, 230,829.81 and 90,786.68 is: 125,285.99
Step by Step Solution
- Step 1: Write the proportion equation
167,267.48 : 230,829.81 = 90,786.68 : x - Step 2: Convert to fraction form
167,267.48/230,829.81 = 90,786.68/x - Step 3: Cross multiply
167,267.48x = 230,829.81 × 90,786.68 - Step 4: Simplify right side
167,267.48x = 20,956,271,465.94 - Step 5: Solve for x
x = 20,956,271,465.94/167,267.48 - Step 6: Final answer
x = 125,285.99
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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.