Finding the Fourth Proportional to 521,682.08, 782,523.12 and 147,708.32
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Solution
The fourth proportional to 521,682.08, 782,523.12 and 147,708.32 is: 221,562.48
Step by Step Solution
- Step 1: Write the proportion equation
521,682.08 : 782,523.12 = 147,708.32 : x - Step 2: Convert to fraction form
521,682.08/782,523.12 = 147,708.32/x - Step 3: Cross multiply
521,682.08x = 782,523.12 × 147,708.32 - Step 4: Simplify right side
521,682.08x = 115,585,175,416.36 - Step 5: Solve for x
x = 115,585,175,416.36/521,682.08 - Step 6: Final answer
x = 221,562.48
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1.5x scale
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.