Finding the Fourth Proportional to 558,021.60, 837,226.80 and 242,704.80
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Solution
The fourth proportional to 558,021.60, 837,226.80 and 242,704.80 is: 364,141.75
Step by Step Solution
- Step 1: Write the proportion equation
558,021.60 : 837,226.80 = 242,704.80 : x - Step 2: Convert to fraction form
558,021.60/837,226.80 = 242,704.80/x - Step 3: Cross multiply
558,021.60x = 837,226.80 × 242,704.80 - Step 4: Simplify right side
558,021.60x = 203,198,963,048.64 - Step 5: Solve for x
x = 203,198,963,048.64/558,021.60 - Step 6: Final answer
x = 364,141.75
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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.