Finding the Fourth Proportional to 330,146.68, 495,388.92 and 157,234.20
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Solution
The fourth proportional to 330,146.68, 495,388.92 and 157,234.20 is: 235,931.74
Step by Step Solution
- Step 1: Write the proportion equation
330,146.68 : 495,388.92 = 157,234.20 : x - Step 2: Convert to fraction form
330,146.68/495,388.92 = 157,234.20/x - Step 3: Cross multiply
330,146.68x = 495,388.92 × 157,234.20 - Step 4: Simplify right side
330,146.68x = 77,892,080,525.06 - Step 5: Solve for x
x = 77,892,080,525.06/330,146.68 - Step 6: Final answer
x = 235,931.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.