Finding the Fourth Proportional to 485,844.05, 670,465.71 and 270,998.03
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Solution
The fourth proportional to 485,844.05, 670,465.71 and 270,998.03 is: 373,977.80
Step by Step Solution
- Step 1: Write the proportion equation
485,844.05 : 670,465.71 = 270,998.03 : x - Step 2: Convert to fraction form
485,844.05/670,465.71 = 270,998.03/x - Step 3: Cross multiply
485,844.05x = 670,465.71 × 270,998.03 - Step 4: Simplify right side
485,844.05x = 181,694,886,592.55 - Step 5: Solve for x
x = 181,694,886,592.55/485,844.05 - Step 6: Final answer
x = 373,977.80
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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.