Finding the Fourth Proportional to 291,942.60, 437,710.14 and 149,511.12
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Solution
The fourth proportional to 291,942.60, 437,710.14 and 149,511.12 is: 224,162.33
Step by Step Solution
- Step 1: Write the proportion equation
291,942.60 : 437,710.14 = 149,511.12 : x - Step 2: Convert to fraction form
291,942.60/437,710.14 = 149,511.12/x - Step 3: Cross multiply
291,942.60x = 437,710.14 × 149,511.12 - Step 4: Simplify right side
291,942.60x = 65,442,533,266.76 - Step 5: Solve for x
x = 65,442,533,266.76/291,942.60 - Step 6: Final answer
x = 224,162.33
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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.