Finding the Fourth Proportional to 302,788.08, 417,858.84 and 168,660.72
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Solution
The fourth proportional to 302,788.08, 417,858.84 and 168,660.72 is: 232,758.08
Step by Step Solution
- Step 1: Write the proportion equation
302,788.08 : 417,858.84 = 168,660.72 : x - Step 2: Convert to fraction form
302,788.08/417,858.84 = 168,660.72/x - Step 3: Cross multiply
302,788.08x = 417,858.84 × 168,660.72 - Step 4: Simplify right side
302,788.08x = 70,476,372,812.76 - Step 5: Solve for x
x = 70,476,372,812.76/302,788.08 - Step 6: Final answer
x = 232,758.08
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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.