Finding the Fourth Proportional to 331,718.02, 497,282.36 and 129,267.26
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Solution
The fourth proportional to 331,718.02, 497,282.36 and 129,267.26 is: 193,786.06
Step by Step Solution
- Step 1: Write the proportion equation
331,718.02 : 497,282.36 = 129,267.26 : x - Step 2: Convert to fraction form
331,718.02/497,282.36 = 129,267.26/x - Step 3: Cross multiply
331,718.02x = 497,282.36 × 129,267.26 - Step 4: Simplify right side
331,718.02x = 64,282,328,123.53 - Step 5: Solve for x
x = 64,282,328,123.53/331,718.02 - Step 6: Final answer
x = 193,786.06
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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.