Finding the Fourth Proportional to 230,083.02, 317,465.55 and 134,571.06
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Solution
The fourth proportional to 230,083.02, 317,465.55 and 134,571.06 is: 185,679.39
Step by Step Solution
- Step 1: Write the proportion equation
230,083.02 : 317,465.55 = 134,571.06 : x - Step 2: Convert to fraction form
230,083.02/317,465.55 = 134,571.06/x - Step 3: Cross multiply
230,083.02x = 317,465.55 × 134,571.06 - Step 4: Simplify right side
230,083.02x = 42,721,675,576.98 - Step 5: Solve for x
x = 42,721,675,576.98/230,083.02 - Step 6: Final answer
x = 185,679.39
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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.