Finding the Fourth Proportional to 665,313.01, 997,969.41 and 159,873.99
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Solution
The fourth proportional to 665,313.01, 997,969.41 and 159,873.99 is: 239,810.95
Step by Step Solution
- Step 1: Write the proportion equation
665,313.01 : 997,969.41 = 159,873.99 : x - Step 2: Convert to fraction form
665,313.01/997,969.41 = 159,873.99/x - Step 3: Cross multiply
665,313.01x = 997,969.41 × 159,873.99 - Step 4: Simplify right side
665,313.01x = 159,549,347,132.73 - Step 5: Solve for x
x = 159,549,347,132.73/665,313.01 - Step 6: Final answer
x = 239,810.95
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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.