Finding the Fourth Proportional to 351,219.71, 526,506.63 and 126,525.19
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Solution
The fourth proportional to 351,219.71, 526,506.63 and 126,525.19 is: 189,671.45
Step by Step Solution
- Step 1: Write the proportion equation
351,219.71 : 526,506.63 = 126,525.19 : x - Step 2: Convert to fraction form
351,219.71/526,506.63 = 126,525.19/x - Step 3: Cross multiply
351,219.71x = 526,506.63 × 126,525.19 - Step 4: Simplify right side
351,219.71x = 66,616,351,397.01 - Step 5: Solve for x
x = 66,616,351,397.01/351,219.71 - Step 6: Final answer
x = 189,671.45
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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.