Finding the Fourth Proportional to 239,139.84, 358,728.29 and 96,917.41
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Solution
The fourth proportional to 239,139.84, 358,728.29 and 96,917.41 is: 145,383.62
Step by Step Solution
- Step 1: Write the proportion equation
239,139.84 : 358,728.29 = 96,917.41 : x - Step 2: Convert to fraction form
239,139.84/358,728.29 = 96,917.41/x - Step 3: Cross multiply
239,139.84x = 358,728.29 × 96,917.41 - Step 4: Simplify right side
239,139.84x = 34,767,014,482.30 - Step 5: Solve for x
x = 34,767,014,482.30/239,139.84 - Step 6: Final answer
x = 145,383.62
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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.