Finding the Fourth Proportional to 339,866.24, 509,766.26 and 103,210.97
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Solution
The fourth proportional to 339,866.24, 509,766.26 and 103,210.97 is: 154,806.40
Step by Step Solution
- Step 1: Write the proportion equation
339,866.24 : 509,766.26 = 103,210.97 : x - Step 2: Convert to fraction form
339,866.24/509,766.26 = 103,210.97/x - Step 3: Cross multiply
339,866.24x = 509,766.26 × 103,210.97 - Step 4: Simplify right side
339,866.24x = 52,613,470,926.23 - Step 5: Solve for x
x = 52,613,470,926.23/339,866.24 - Step 6: Final answer
x = 154,806.40
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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.