Finding the Fourth Proportional to 340,740.99, 469,903.61 and 269,291.70
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Solution
The fourth proportional to 340,740.99, 469,903.61 and 269,291.70 is: 371,370.47
Step by Step Solution
- Step 1: Write the proportion equation
340,740.99 : 469,903.61 = 269,291.70 : x - Step 2: Convert to fraction form
340,740.99/469,903.61 = 269,291.70/x - Step 3: Cross multiply
340,740.99x = 469,903.61 × 269,291.70 - Step 4: Simplify right side
340,740.99x = 126,541,140,626.58 - Step 5: Solve for x
x = 126,541,140,626.58/340,740.99 - Step 6: Final answer
x = 371,370.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.