Finding the Fourth Proportional to 474,984.50, 712,523.46 and 138,028.08
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Solution
The fourth proportional to 474,984.50, 712,523.46 and 138,028.08 is: 207,055.70
Step by Step Solution
- Step 1: Write the proportion equation
474,984.50 : 712,523.46 = 138,028.08 : x - Step 2: Convert to fraction form
474,984.50/712,523.46 = 138,028.08/x - Step 3: Cross multiply
474,984.50x = 712,523.46 × 138,028.08 - Step 4: Simplify right side
474,984.50x = 98,348,245,138.76 - Step 5: Solve for x
x = 98,348,245,138.76/474,984.50 - Step 6: Final answer
x = 207,055.70
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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.