Finding the Fourth Proportional to 178,365.57, 246,135.08 and 101,869.62
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Solution
The fourth proportional to 178,365.57, 246,135.08 and 101,869.62 is: 140,574.71
Step by Step Solution
- Step 1: Write the proportion equation
178,365.57 : 246,135.08 = 101,869.62 : x - Step 2: Convert to fraction form
178,365.57/246,135.08 = 101,869.62/x - Step 3: Cross multiply
178,365.57x = 246,135.08 × 101,869.62 - Step 4: Simplify right side
178,365.57x = 25,073,688,190.19 - Step 5: Solve for x
x = 25,073,688,190.19/178,365.57 - Step 6: Final answer
x = 140,574.71
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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.