Finding the Fourth Proportional to 418,037.09, 576,871.83 and 236,750.31
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Solution
The fourth proportional to 418,037.09, 576,871.83 and 236,750.31 is: 326,704.47
Step by Step Solution
- Step 1: Write the proportion equation
418,037.09 : 576,871.83 = 236,750.31 : x - Step 2: Convert to fraction form
418,037.09/576,871.83 = 236,750.31/x - Step 3: Cross multiply
418,037.09x = 576,871.83 × 236,750.31 - Step 4: Simplify right side
418,037.09x = 136,574,584,582.77 - Step 5: Solve for x
x = 136,574,584,582.77/418,037.09 - Step 6: Final answer
x = 326,704.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.