Finding the Fourth Proportional to 438,977.64, 657,937.82 and 201,995.88
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Solution
The fourth proportional to 438,977.64, 657,937.82 and 201,995.88 is: 302,750.57
Step by Step Solution
- Step 1: Write the proportion equation
438,977.64 : 657,937.82 = 201,995.88 : x - Step 2: Convert to fraction form
438,977.64/657,937.82 = 201,995.88/x - Step 3: Cross multiply
438,977.64x = 657,937.82 × 201,995.88 - Step 4: Simplify right side
438,977.64x = 132,900,728,936.18 - Step 5: Solve for x
x = 132,900,728,936.18/438,977.64 - Step 6: Final answer
x = 302,750.57
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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.