Finding the Fourth Proportional to 331,332.56, 496,251.12 and 153,465.92
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Solution
The fourth proportional to 331,332.56, 496,251.12 and 153,465.92 is: 229,852.55
Step by Step Solution
- Step 1: Write the proportion equation
331,332.56 : 496,251.12 = 153,465.92 : x - Step 2: Convert to fraction form
331,332.56/496,251.12 = 153,465.92/x - Step 3: Cross multiply
331,332.56x = 496,251.12 × 153,465.92 - Step 4: Simplify right side
331,332.56x = 76,157,634,681.83 - Step 5: Solve for x
x = 76,157,634,681.83/331,332.56 - Step 6: Final answer
x = 229,852.55
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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.