Finding the Fourth Proportional to 242,801.20, 364,201.80 and 124,703.20
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Solution
The fourth proportional to 242,801.20, 364,201.80 and 124,703.20 is: 187,054.80
Step by Step Solution
- Step 1: Write the proportion equation
242,801.20 : 364,201.80 = 124,703.20 : x - Step 2: Convert to fraction form
242,801.20/364,201.80 = 124,703.20/x - Step 3: Cross multiply
242,801.20x = 364,201.80 × 124,703.20 - Step 4: Simplify right side
242,801.20x = 45,417,129,905.76 - Step 5: Solve for x
x = 45,417,129,905.76/242,801.20 - Step 6: Final answer
x = 187,054.80
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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.