Finding the Fourth Proportional to 238,525.74, 329,149.98 and 136,551.96
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Solution
The fourth proportional to 238,525.74, 329,149.98 and 136,551.96 is: 188,432.81
Step by Step Solution
- Step 1: Write the proportion equation
238,525.74 : 329,149.98 = 136,551.96 : x - Step 2: Convert to fraction form
238,525.74/329,149.98 = 136,551.96/x - Step 3: Cross multiply
238,525.74x = 329,149.98 × 136,551.96 - Step 4: Simplify right side
238,525.74x = 44,946,074,902.96 - Step 5: Solve for x
x = 44,946,074,902.96/238,525.74 - Step 6: Final answer
x = 188,432.81
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1.5x scale
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.