Finding the Fourth Proportional to 242,129.94, 334,150.08 and 201,776.10
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Solution
The fourth proportional to 242,129.94, 334,150.08 and 201,776.10 is: 278,459.99
Step by Step Solution
- Step 1: Write the proportion equation
242,129.94 : 334,150.08 = 201,776.10 : x - Step 2: Convert to fraction form
242,129.94/334,150.08 = 201,776.10/x - Step 3: Cross multiply
242,129.94x = 334,150.08 × 201,776.10 - Step 4: Simplify right side
242,129.94x = 67,423,499,957.09 - Step 5: Solve for x
x = 67,423,499,957.09/242,129.94 - Step 6: Final answer
x = 278,459.99
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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.