Finding the Fourth Proportional to 238,410.36, 328,923.58 and 152,419.68
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Solution
The fourth proportional to 238,410.36, 328,923.58 and 152,419.68 is: 210,286.28
Step by Step Solution
- Step 1: Write the proportion equation
238,410.36 : 328,923.58 = 152,419.68 : x - Step 2: Convert to fraction form
238,410.36/328,923.58 = 152,419.68/x - Step 3: Cross multiply
238,410.36x = 328,923.58 × 152,419.68 - Step 4: Simplify right side
238,410.36x = 50,134,426,808.05 - Step 5: Solve for x
x = 50,134,426,808.05/238,410.36 - Step 6: Final answer
x = 210,286.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.