Finding the Fourth Proportional to 159,798.74, 239,389.01 and 133,844.93
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Solution
The fourth proportional to 159,798.74, 239,389.01 and 133,844.93 is: 200,508.49
Step by Step Solution
- Step 1: Write the proportion equation
159,798.74 : 239,389.01 = 133,844.93 : x - Step 2: Convert to fraction form
159,798.74/239,389.01 = 133,844.93/x - Step 3: Cross multiply
159,798.74x = 239,389.01 × 133,844.93 - Step 4: Simplify right side
159,798.74x = 32,041,004,819.68 - Step 5: Solve for x
x = 32,041,004,819.68/159,798.74 - Step 6: Final answer
x = 200,508.49
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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.