Finding the Fourth Proportional to 168,392.07, 252,369.40 and 68,435.94
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Solution
The fourth proportional to 168,392.07, 252,369.40 and 68,435.94 is: 102,565.02
Step by Step Solution
- Step 1: Write the proportion equation
168,392.07 : 252,369.40 = 68,435.94 : x - Step 2: Convert to fraction form
168,392.07/252,369.40 = 68,435.94/x - Step 3: Cross multiply
168,392.07x = 252,369.40 × 68,435.94 - Step 4: Simplify right side
168,392.07x = 17,271,136,774.06 - Step 5: Solve for x
x = 17,271,136,774.06/168,392.07 - Step 6: Final answer
x = 102,565.02
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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.