Finding the Fourth Proportional to 376,087.77, 519,077.52 and 255,267.99
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Solution
The fourth proportional to 376,087.77, 519,077.52 and 255,267.99 is: 352,321.68
Step by Step Solution
- Step 1: Write the proportion equation
376,087.77 : 519,077.52 = 255,267.99 : x - Step 2: Convert to fraction form
376,087.77/519,077.52 = 255,267.99/x - Step 3: Cross multiply
376,087.77x = 519,077.52 × 255,267.99 - Step 4: Simplify right side
376,087.77x = 132,503,875,184.59 - Step 5: Solve for x
x = 132,503,875,184.59/376,087.77 - Step 6: Final answer
x = 352,321.68
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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.