Finding the Fourth Proportional to 290,242.06, 435,194.94 and 112,541.02
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Solution
The fourth proportional to 290,242.06, 435,194.94 and 112,541.02 is: 168,746.33
Step by Step Solution
- Step 1: Write the proportion equation
290,242.06 : 435,194.94 = 112,541.02 : x - Step 2: Convert to fraction form
290,242.06/435,194.94 = 112,541.02/x - Step 3: Cross multiply
290,242.06x = 435,194.94 × 112,541.02 - Step 4: Simplify right side
290,242.06x = 48,977,282,446.44 - Step 5: Solve for x
x = 48,977,282,446.44/290,242.06 - Step 6: Final answer
x = 168,746.33
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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.