Finding the Fourth Proportional to 120,252.65, 180,376.01 and 69,727.03
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Solution
The fourth proportional to 120,252.65, 180,376.01 and 69,727.03 is: 104,588.82
Step by Step Solution
- Step 1: Write the proportion equation
120,252.65 : 180,376.01 = 69,727.03 : x - Step 2: Convert to fraction form
120,252.65/180,376.01 = 69,727.03/x - Step 3: Cross multiply
120,252.65x = 180,376.01 × 69,727.03 - Step 4: Simplify right side
120,252.65x = 12,577,083,314.67 - Step 5: Solve for x
x = 12,577,083,314.67/120,252.65 - Step 6: Final answer
x = 104,588.82
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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.