Finding the Fourth Proportional to 464,830.23, 641,467.05 and 258,099.07
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Solution
The fourth proportional to 464,830.23, 641,467.05 and 258,099.07 is: 356,177.45
Step by Step Solution
- Step 1: Write the proportion equation
464,830.23 : 641,467.05 = 258,099.07 : x - Step 2: Convert to fraction form
464,830.23/641,467.05 = 258,099.07/x - Step 3: Cross multiply
464,830.23x = 641,467.05 × 258,099.07 - Step 4: Simplify right side
464,830.23x = 165,562,047,436.98 - Step 5: Solve for x
x = 165,562,047,436.98/464,830.23 - Step 6: Final answer
x = 356,177.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.