Finding the Fourth Proportional to 145,960.56, 201,319.20 and 111,582.99
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Solution
The fourth proportional to 145,960.56, 201,319.20 and 111,582.99 is: 153,903.21
Step by Step Solution
- Step 1: Write the proportion equation
145,960.56 : 201,319.20 = 111,582.99 : x - Step 2: Convert to fraction form
145,960.56/201,319.20 = 111,582.99/x - Step 3: Cross multiply
145,960.56x = 201,319.20 × 111,582.99 - Step 4: Simplify right side
145,960.56x = 22,463,798,280.41 - Step 5: Solve for x
x = 22,463,798,280.41/145,960.56 - Step 6: Final answer
x = 153,903.21
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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.