Finding the Fourth Proportional to 319,455.57, 479,132.56 and 106,205.76
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Solution
The fourth proportional to 319,455.57, 479,132.56 and 106,205.76 is: 159,291.75
Step by Step Solution
- Step 1: Write the proportion equation
319,455.57 : 479,132.56 = 106,205.76 : x - Step 2: Convert to fraction form
319,455.57/479,132.56 = 106,205.76/x - Step 3: Cross multiply
319,455.57x = 479,132.56 × 106,205.76 - Step 4: Simplify right side
319,455.57x = 50,886,637,410.03 - Step 5: Solve for x
x = 50,886,637,410.03/319,455.57 - Step 6: Final answer
x = 159,291.75
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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.