Finding the Fourth Proportional to 749,535.12, 1,124,139.84 and 237,240.09
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Solution
The fourth proportional to 749,535.12, 1,124,139.84 and 237,240.09 is: 355,808.59
Step by Step Solution
- Step 1: Write the proportion equation
749,535.12 : 1,124,139.84 = 237,240.09 : x - Step 2: Convert to fraction form
749,535.12/1,124,139.84 = 237,240.09/x - Step 3: Cross multiply
749,535.12x = 1,124,139.84 × 237,240.09 - Step 4: Simplify right side
749,535.12x = 266,691,036,814.19 - Step 5: Solve for x
x = 266,691,036,814.19/749,535.12 - Step 6: Final answer
x = 355,808.59
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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.