Finding the Fourth Proportional to 145,961.56, 201,320.58 and 111,583.99
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Solution
The fourth proportional to 145,961.56, 201,320.58 and 111,583.99 is: 153,904.59
Step by Step Solution
- Step 1: Write the proportion equation
145,961.56 : 201,320.58 = 111,583.99 : x - Step 2: Convert to fraction form
145,961.56/201,320.58 = 111,583.99/x - Step 3: Cross multiply
145,961.56x = 201,320.58 × 111,583.99 - Step 4: Simplify right side
145,961.56x = 22,464,153,585.51 - Step 5: Solve for x
x = 22,464,153,585.51/145,961.56 - Step 6: Final answer
x = 153,904.59
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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.