Finding the Fourth Proportional to 159,466.80, 239,258.30 and 74,117.08
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Solution
The fourth proportional to 159,466.80, 239,258.30 and 74,117.08 is: 111,202.62
Step by Step Solution
- Step 1: Write the proportion equation
159,466.80 : 239,258.30 = 74,117.08 : x - Step 2: Convert to fraction form
159,466.80/239,258.30 = 74,117.08/x - Step 3: Cross multiply
159,466.80x = 239,258.30 × 74,117.08 - Step 4: Simplify right side
159,466.80x = 17,733,126,561.76 - Step 5: Solve for x
x = 17,733,126,561.76/159,466.80 - Step 6: Final answer
x = 111,202.62
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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.