Finding the Fourth Proportional to 131,854.36, 197,786.99 and 38,360.11
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Solution
The fourth proportional to 131,854.36, 197,786.99 and 38,360.11 is: 57,541.75
Step by Step Solution
- Step 1: Write the proportion equation
131,854.36 : 197,786.99 = 38,360.11 : x - Step 2: Convert to fraction form
131,854.36/197,786.99 = 38,360.11/x - Step 3: Cross multiply
131,854.36x = 197,786.99 × 38,360.11 - Step 4: Simplify right side
131,854.36x = 7,587,130,294.40 - Step 5: Solve for x
x = 7,587,130,294.40/131,854.36 - Step 6: Final answer
x = 57,541.75
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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.