Finding the Fourth Proportional to 254,124.84, 381,109.51 and 85,599.99
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Solution
The fourth proportional to 254,124.84, 381,109.51 and 85,599.99 is: 128,373.79
Step by Step Solution
- Step 1: Write the proportion equation
254,124.84 : 381,109.51 = 85,599.99 : x - Step 2: Convert to fraction form
254,124.84/381,109.51 = 85,599.99/x - Step 3: Cross multiply
254,124.84x = 381,109.51 × 85,599.99 - Step 4: Simplify right side
254,124.84x = 32,622,969,870.40 - Step 5: Solve for x
x = 32,622,969,870.40/254,124.84 - Step 6: Final answer
x = 128,373.79
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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.