Finding the Fourth Proportional to 665,314.01, 997,970.91 and 159,874.99
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Solution
The fourth proportional to 665,314.01, 997,970.91 and 159,874.99 is: 239,812.46
Step by Step Solution
- Step 1: Write the proportion equation
665,314.01 : 997,970.91 = 159,874.99 : x - Step 2: Convert to fraction form
665,314.01/997,970.91 = 159,874.99/x - Step 3: Cross multiply
665,314.01x = 997,970.91 × 159,874.99 - Step 4: Simplify right side
665,314.01x = 159,550,589,256.54 - Step 5: Solve for x
x = 159,550,589,256.54/665,314.01 - Step 6: Final answer
x = 239,812.46
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1.5x scale
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.