Finding the Fourth Proportional to 159,604.84, 239,476.38 and 85,646.44
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Solution
The fourth proportional to 159,604.84, 239,476.38 and 85,646.44 is: 128,506.75
Step by Step Solution
- Step 1: Write the proportion equation
159,604.84 : 239,476.38 = 85,646.44 : x - Step 2: Convert to fraction form
159,604.84/239,476.38 = 85,646.44/x - Step 3: Cross multiply
159,604.84x = 239,476.38 × 85,646.44 - Step 4: Simplify right side
159,604.84x = 20,510,299,411.09 - Step 5: Solve for x
x = 20,510,299,411.09/159,604.84 - Step 6: Final answer
x = 128,506.75
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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.