Finding the Fourth Proportional to 104,885.65, 157,351.26 and 38,325.68
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Solution
The fourth proportional to 104,885.65, 157,351.26 and 38,325.68 is: 57,496.85
Step by Step Solution
- Step 1: Write the proportion equation
104,885.65 : 157,351.26 = 38,325.68 : x - Step 2: Convert to fraction form
104,885.65/157,351.26 = 38,325.68/x - Step 3: Cross multiply
104,885.65x = 157,351.26 × 38,325.68 - Step 4: Simplify right side
104,885.65x = 6,030,594,038.36 - Step 5: Solve for x
x = 6,030,594,038.36/104,885.65 - Step 6: Final answer
x = 57,496.85
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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.