Finding the Fourth Proportional to 130,630.97, 180,325.83 and 88,246.91
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Solution
The fourth proportional to 130,630.97, 180,325.83 and 88,246.91 is: 121,817.95
Step by Step Solution
- Step 1: Write the proportion equation
130,630.97 : 180,325.83 = 88,246.91 : x - Step 2: Convert to fraction form
130,630.97/180,325.83 = 88,246.91/x - Step 3: Cross multiply
130,630.97x = 180,325.83 × 88,246.91 - Step 4: Simplify right side
130,630.97x = 15,913,196,389.06 - Step 5: Solve for x
x = 15,913,196,389.06/130,630.97 - Step 6: Final answer
x = 121,817.95
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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.