Finding the Fourth Proportional to 167,358.78, 230,888.34 and 106,913.75
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Solution
The fourth proportional to 167,358.78, 230,888.34 and 106,913.75 is: 147,498.31
Step by Step Solution
- Step 1: Write the proportion equation
167,358.78 : 230,888.34 = 106,913.75 : x - Step 2: Convert to fraction form
167,358.78/230,888.34 = 106,913.75/x - Step 3: Cross multiply
167,358.78x = 230,888.34 × 106,913.75 - Step 4: Simplify right side
167,358.78x = 24,685,137,106.23 - Step 5: Solve for x
x = 24,685,137,106.23/167,358.78 - Step 6: Final answer
x = 147,498.31
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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.