Finding the Fourth Proportional to 238,259.36, 357,389.16 and 149,575.14
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Solution
The fourth proportional to 238,259.36, 357,389.16 and 149,575.14 is: 224,362.79
Step by Step Solution
- Step 1: Write the proportion equation
238,259.36 : 357,389.16 = 149,575.14 : x - Step 2: Convert to fraction form
238,259.36/357,389.16 = 149,575.14/x - Step 3: Cross multiply
238,259.36x = 357,389.16 × 149,575.14 - Step 4: Simplify right side
238,259.36x = 53,456,533,921.94 - Step 5: Solve for x
x = 53,456,533,921.94/238,259.36 - Step 6: Final answer
x = 224,362.79
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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.