Finding the Fourth Proportional to 159,563.80, 239,345.70 and 97,355.80
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Solution
The fourth proportional to 159,563.80, 239,345.70 and 97,355.80 is: 146,033.70
Step by Step Solution
- Step 1: Write the proportion equation
159,563.80 : 239,345.70 = 97,355.80 : x - Step 2: Convert to fraction form
159,563.80/239,345.70 = 97,355.80/x - Step 3: Cross multiply
159,563.80x = 239,345.70 × 97,355.80 - Step 4: Simplify right side
159,563.80x = 23,301,692,100.06 - Step 5: Solve for x
x = 23,301,692,100.06/159,563.80 - Step 6: Final answer
x = 146,033.70
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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.