Finding the Fourth Proportional to 436,206.80, 653,964.60 and 239,214.80
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Solution
The fourth proportional to 436,206.80, 653,964.60 and 239,214.80 is: 358,632.67
Step by Step Solution
- Step 1: Write the proportion equation
436,206.80 : 653,964.60 = 239,214.80 : x - Step 2: Convert to fraction form
436,206.80/653,964.60 = 239,214.80/x - Step 3: Cross multiply
436,206.80x = 653,964.60 × 239,214.80 - Step 4: Simplify right side
436,206.80x = 156,438,010,996.08 - Step 5: Solve for x
x = 156,438,010,996.08/436,206.80 - Step 6: Final answer
x = 358,632.67
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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.