Finding the Fourth Proportional to 310,903.80, 466,355.70 and 275,911.80
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Solution
The fourth proportional to 310,903.80, 466,355.70 and 275,911.80 is: 413,867.70
Step by Step Solution
- Step 1: Write the proportion equation
310,903.80 : 466,355.70 = 275,911.80 : x - Step 2: Convert to fraction form
310,903.80/466,355.70 = 275,911.80/x - Step 3: Cross multiply
310,903.80x = 466,355.70 × 275,911.80 - Step 4: Simplify right side
310,903.80x = 128,673,040,627.26 - Step 5: Solve for x
x = 128,673,040,627.26/310,903.80 - Step 6: Final answer
x = 413,867.70
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1.5x scale
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.