Finding the Fourth Proportional to 611,101.36, 843,320.19 and 339,169.38
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Solution
The fourth proportional to 611,101.36, 843,320.19 and 339,169.38 is: 468,053.92
Step by Step Solution
- Step 1: Write the proportion equation
611,101.36 : 843,320.19 = 339,169.38 : x - Step 2: Convert to fraction form
611,101.36/843,320.19 = 339,169.38/x - Step 3: Cross multiply
611,101.36x = 843,320.19 × 339,169.38 - Step 4: Simplify right side
611,101.36x = 286,028,385,983.78 - Step 5: Solve for x
x = 286,028,385,983.78/611,101.36 - Step 6: Final answer
x = 468,053.92
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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.