Finding the Fourth Proportional to 301,986.30, 452,432.70 and 239,219.40
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Solution
The fourth proportional to 301,986.30, 452,432.70 and 239,219.40 is: 358,395.99
Step by Step Solution
- Step 1: Write the proportion equation
301,986.30 : 452,432.70 = 239,219.40 : x - Step 2: Convert to fraction form
301,986.30/452,432.70 = 239,219.40/x - Step 3: Cross multiply
301,986.30x = 452,432.70 × 239,219.40 - Step 4: Simplify right side
301,986.30x = 108,230,679,034.38 - Step 5: Solve for x
x = 108,230,679,034.38/301,986.30 - Step 6: Final answer
x = 358,395.99
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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.