Finding the Fourth Proportional to 167,284.83, 230,853.60 and 90,803.99
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Solution
The fourth proportional to 167,284.83, 230,853.60 and 90,803.99 is: 125,309.80
Step by Step Solution
- Step 1: Write the proportion equation
167,284.83 : 230,853.60 = 90,803.99 : x - Step 2: Convert to fraction form
167,284.83/230,853.60 = 90,803.99/x - Step 3: Cross multiply
167,284.83x = 230,853.60 × 90,803.99 - Step 4: Simplify right side
167,284.83x = 20,962,427,985.86 - Step 5: Solve for x
x = 20,962,427,985.86/167,284.83 - Step 6: Final answer
x = 125,309.80
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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.