Finding the Fourth Proportional to 339,862.70, 509,794.05 and 118,246.70
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Solution
The fourth proportional to 339,862.70, 509,794.05 and 118,246.70 is: 177,370.05
Step by Step Solution
- Step 1: Write the proportion equation
339,862.70 : 509,794.05 = 118,246.70 : x - Step 2: Convert to fraction form
339,862.70/509,794.05 = 118,246.70/x - Step 3: Cross multiply
339,862.70x = 509,794.05 × 118,246.70 - Step 4: Simplify right side
339,862.70x = 60,281,464,092.14 - Step 5: Solve for x
x = 60,281,464,092.14/339,862.70 - Step 6: Final answer
x = 177,370.05
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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.