Finding the Fourth Proportional to 239,357.38, 359,118.69 and 106,331.08
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Solution
The fourth proportional to 239,357.38, 359,118.69 and 106,331.08 is: 159,533.32
Step by Step Solution
- Step 1: Write the proportion equation
239,357.38 : 359,118.69 = 106,331.08 : x - Step 2: Convert to fraction form
239,357.38/359,118.69 = 106,331.08/x - Step 3: Cross multiply
239,357.38x = 359,118.69 × 106,331.08 - Step 4: Simplify right side
239,357.38x = 38,185,478,155.89 - Step 5: Solve for x
x = 38,185,478,155.89/239,357.38 - Step 6: Final answer
x = 159,533.32
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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.