Finding the Fourth Proportional to 427,503.33, 589,857.39 and 255,393.99
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Solution
The fourth proportional to 427,503.33, 589,857.39 and 255,393.99 is: 352,385.63
Step by Step Solution
- Step 1: Write the proportion equation
427,503.33 : 589,857.39 = 255,393.99 : x - Step 2: Convert to fraction form
427,503.33/589,857.39 = 255,393.99/x - Step 3: Cross multiply
427,503.33x = 589,857.39 × 255,393.99 - Step 4: Simplify right side
427,503.33x = 150,646,032,363.09 - Step 5: Solve for x
x = 150,646,032,363.09/427,503.33 - Step 6: Final answer
x = 352,385.63
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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.