Finding the Fourth Proportional to 159,778.60, 239,376.30 and 97,376.20
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Solution
The fourth proportional to 159,778.60, 239,376.30 and 97,376.20 is: 145,886.59
Step by Step Solution
- Step 1: Write the proportion equation
159,778.60 : 239,376.30 = 97,376.20 : x - Step 2: Convert to fraction form
159,778.60/239,376.30 = 97,376.20/x - Step 3: Cross multiply
159,778.60x = 239,376.30 × 97,376.20 - Step 4: Simplify right side
159,778.60x = 23,309,554,464.06 - Step 5: Solve for x
x = 23,309,554,464.06/159,778.60 - Step 6: Final answer
x = 145,886.59
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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.