Finding the Fourth Proportional to 159,389.80, 239,084.70 and 97,181.80
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Solution
The fourth proportional to 159,389.80, 239,084.70 and 97,181.80 is: 145,772.70
Step by Step Solution
- Step 1: Write the proportion equation
159,389.80 : 239,084.70 = 97,181.80 : x - Step 2: Convert to fraction form
159,389.80/239,084.70 = 97,181.80/x - Step 3: Cross multiply
159,389.80x = 239,084.70 × 97,181.80 - Step 4: Simplify right side
159,389.80x = 23,234,681,498.46 - Step 5: Solve for x
x = 23,234,681,498.46/159,389.80 - Step 6: Final answer
x = 145,772.70
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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.