Finding the Fourth Proportional to 502,037.20, 753,288.76 and 186,603.60
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Solution
The fourth proportional to 502,037.20, 753,288.76 and 186,603.60 is: 279,991.99
Step by Step Solution
- Step 1: Write the proportion equation
502,037.20 : 753,288.76 = 186,603.60 : x - Step 2: Convert to fraction form
502,037.20/753,288.76 = 186,603.60/x - Step 3: Cross multiply
502,037.20x = 753,288.76 × 186,603.60 - Step 4: Simplify right side
502,037.20x = 140,566,394,455.54 - Step 5: Solve for x
x = 140,566,394,455.54/502,037.20 - Step 6: Final answer
x = 279,991.99
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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.