Finding the Fourth Proportional to 307,569.80, 461,354.70 and 276,465.80
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Solution
The fourth proportional to 307,569.80, 461,354.70 and 276,465.80 is: 414,698.70
Step by Step Solution
- Step 1: Write the proportion equation
307,569.80 : 461,354.70 = 276,465.80 : x - Step 2: Convert to fraction form
307,569.80/461,354.70 = 276,465.80/x - Step 3: Cross multiply
307,569.80x = 461,354.70 × 276,465.80 - Step 4: Simplify right side
307,569.80x = 127,548,796,219.26 - Step 5: Solve for x
x = 127,548,796,219.26/307,569.80 - Step 6: Final answer
x = 414,698.70
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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.