Finding the Fourth Proportional to 235,622.04, 325,154.84 and 128,189.62
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Solution
The fourth proportional to 235,622.04, 325,154.84 and 128,189.62 is: 176,899.72
Step by Step Solution
- Step 1: Write the proportion equation
235,622.04 : 325,154.84 = 128,189.62 : x - Step 2: Convert to fraction form
235,622.04/325,154.84 = 128,189.62/x - Step 3: Cross multiply
235,622.04x = 325,154.84 × 128,189.62 - Step 4: Simplify right side
235,622.04x = 41,681,473,754.99 - Step 5: Solve for x
x = 41,681,473,754.99/235,622.04 - Step 6: Final answer
x = 176,899.72
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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.