Finding the Fourth Proportional to 291,964.91, 437,909.49 and 92,305.44
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Solution
The fourth proportional to 291,964.91, 437,909.49 and 92,305.44 is: 138,446.19
Step by Step Solution
- Step 1: Write the proportion equation
291,964.91 : 437,909.49 = 92,305.44 : x - Step 2: Convert to fraction form
291,964.91/437,909.49 = 92,305.44/x - Step 3: Cross multiply
291,964.91x = 437,909.49 × 92,305.44 - Step 4: Simplify right side
291,964.91x = 40,421,428,154.63 - Step 5: Solve for x
x = 40,421,428,154.63/291,964.91 - Step 6: Final answer
x = 138,446.19
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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.