Finding the Fourth Proportional to 227,977.44, 341,973.12 and 78,215.63
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Solution
The fourth proportional to 227,977.44, 341,973.12 and 78,215.63 is: 117,325.83
Step by Step Solution
- Step 1: Write the proportion equation
227,977.44 : 341,973.12 = 78,215.63 : x - Step 2: Convert to fraction form
227,977.44/341,973.12 = 78,215.63/x - Step 3: Cross multiply
227,977.44x = 341,973.12 × 78,215.63 - Step 4: Simplify right side
227,977.44x = 26,747,641,607.31 - Step 5: Solve for x
x = 26,747,641,607.31/227,977.44 - Step 6: Final answer
x = 117,325.83
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1.5x scale
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.