Finding the Fourth Proportional to 331,320.24, 497,038.80 and 121,251.60
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Solution
The fourth proportional to 331,320.24, 497,038.80 and 121,251.60 is: 181,898.79
Step by Step Solution
- Step 1: Write the proportion equation
331,320.24 : 497,038.80 = 121,251.60 : x - Step 2: Convert to fraction form
331,320.24/497,038.80 = 121,251.60/x - Step 3: Cross multiply
331,320.24x = 497,038.80 × 121,251.60 - Step 4: Simplify right side
331,320.24x = 60,266,749,762.08 - Step 5: Solve for x
x = 60,266,749,762.08/331,320.24 - Step 6: Final answer
x = 181,898.79
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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.