Finding the Fourth Proportional to 526,803.19, 790,124.58 and 171,816.64
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Solution
The fourth proportional to 526,803.19, 790,124.58 and 171,816.64 is: 257,698.80
Step by Step Solution
- Step 1: Write the proportion equation
526,803.19 : 790,124.58 = 171,816.64 : x - Step 2: Convert to fraction form
526,803.19/790,124.58 = 171,816.64/x - Step 3: Cross multiply
526,803.19x = 790,124.58 × 171,816.64 - Step 4: Simplify right side
526,803.19x = 135,756,550,517.01 - Step 5: Solve for x
x = 135,756,550,517.01/526,803.19 - Step 6: Final answer
x = 257,698.80
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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.