Finding the Fourth Proportional to 230,342.46, 317,763.99 and 134,790.54
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Solution
The fourth proportional to 230,342.46, 317,763.99 and 134,790.54 is: 185,947.39
Step by Step Solution
- Step 1: Write the proportion equation
230,342.46 : 317,763.99 = 134,790.54 : x - Step 2: Convert to fraction form
230,342.46/317,763.99 = 134,790.54/x - Step 3: Cross multiply
230,342.46x = 317,763.99 × 134,790.54 - Step 4: Simplify right side
230,342.46x = 42,831,579,804.65 - Step 5: Solve for x
x = 42,831,579,804.65/230,342.46 - Step 6: Final answer
x = 185,947.39
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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.