Finding the Fourth Proportional to 291,345.96, 437,427.83 and 149,293.31
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Solution
The fourth proportional to 291,345.96, 437,427.83 and 149,293.31 is: 224,149.49
Step by Step Solution
- Step 1: Write the proportion equation
291,345.96 : 437,427.83 = 149,293.31 : x - Step 2: Convert to fraction form
291,345.96/437,427.83 = 149,293.31/x - Step 3: Cross multiply
291,345.96x = 437,427.83 × 149,293.31 - Step 4: Simplify right side
291,345.96x = 65,305,048,433.67 - Step 5: Solve for x
x = 65,305,048,433.67/291,345.96 - Step 6: Final answer
x = 224,149.49
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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.