Finding the Fourth Proportional to 288,258.24, 432,410.40 and 101,311.68
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Solution
The fourth proportional to 288,258.24, 432,410.40 and 101,311.68 is: 151,975.62
Step by Step Solution
- Step 1: Write the proportion equation
288,258.24 : 432,410.40 = 101,311.68 : x - Step 2: Convert to fraction form
288,258.24/432,410.40 = 101,311.68/x - Step 3: Cross multiply
288,258.24x = 432,410.40 × 101,311.68 - Step 4: Simplify right side
288,258.24x = 43,808,224,073.47 - Step 5: Solve for x
x = 43,808,224,073.47/288,258.24 - Step 6: Final answer
x = 151,975.62
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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.