Finding the Fourth Proportional to 170,257.19, 234,956.50 and 93,779.00
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Solution
The fourth proportional to 170,257.19, 234,956.50 and 93,779.00 is: 129,415.89
Step by Step Solution
- Step 1: Write the proportion equation
170,257.19 : 234,956.50 = 93,779.00 : x - Step 2: Convert to fraction form
170,257.19/234,956.50 = 93,779.00/x - Step 3: Cross multiply
170,257.19x = 234,956.50 × 93,779.00 - Step 4: Simplify right side
170,257.19x = 22,033,984,438.72 - Step 5: Solve for x
x = 22,033,984,438.72/170,257.19 - Step 6: Final answer
x = 129,415.89
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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.