Finding the Fourth Proportional to 309,697.34, 464,502.26 and 99,307.94
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Solution
The fourth proportional to 309,697.34, 464,502.26 and 99,307.94 is: 148,947.88
Step by Step Solution
- Step 1: Write the proportion equation
309,697.34 : 464,502.26 = 99,307.94 : x - Step 2: Convert to fraction form
309,697.34/464,502.26 = 99,307.94/x - Step 3: Cross multiply
309,697.34x = 464,502.26 × 99,307.94 - Step 4: Simplify right side
309,697.34x = 46,128,760,491.70 - Step 5: Solve for x
x = 46,128,760,491.70/309,697.34 - Step 6: Final answer
x = 148,947.88
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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.