Finding the Fourth Proportional to 291,539.08, 437,158.50 and 133,632.28
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Solution
The fourth proportional to 291,539.08, 437,158.50 and 133,632.28 is: 200,379.61
Step by Step Solution
- Step 1: Write the proportion equation
291,539.08 : 437,158.50 = 133,632.28 : x - Step 2: Convert to fraction form
291,539.08/437,158.50 = 133,632.28/x - Step 3: Cross multiply
291,539.08x = 437,158.50 × 133,632.28 - Step 4: Simplify right side
291,539.08x = 58,418,487,076.38 - Step 5: Solve for x
x = 58,418,487,076.38/291,539.08 - Step 6: Final answer
x = 200,379.61
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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.