Finding the Fourth Proportional to 242,155.12, 334,184.84 and 201,801.36
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Solution
The fourth proportional to 242,155.12, 334,184.84 and 201,801.36 is: 278,494.86
Step by Step Solution
- Step 1: Write the proportion equation
242,155.12 : 334,184.84 = 201,801.36 : x - Step 2: Convert to fraction form
242,155.12/334,184.84 = 201,801.36/x - Step 3: Cross multiply
242,155.12x = 334,184.84 × 201,801.36 - Step 4: Simplify right side
242,155.12x = 67,438,955,203.38 - Step 5: Solve for x
x = 67,438,955,203.38/242,155.12 - Step 6: Final answer
x = 278,494.86
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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.