Finding the Fourth Proportional to 240,509.05, 360,825.94 and 90,750.68
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Solution
The fourth proportional to 240,509.05, 360,825.94 and 90,750.68 is: 136,149.55
Step by Step Solution
- Step 1: Write the proportion equation
240,509.05 : 360,825.94 = 90,750.68 : x - Step 2: Convert to fraction form
240,509.05/360,825.94 = 90,750.68/x - Step 3: Cross multiply
240,509.05x = 360,825.94 × 90,750.68 - Step 4: Simplify right side
240,509.05x = 32,745,199,079.05 - Step 5: Solve for x
x = 32,745,199,079.05/240,509.05 - Step 6: Final answer
x = 136,149.55
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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.