Finding the Fourth Proportional to 145,578.24, 201,007.47 and 143,253.17
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Solution
The fourth proportional to 145,578.24, 201,007.47 and 143,253.17 is: 197,797.12
Step by Step Solution
- Step 1: Write the proportion equation
145,578.24 : 201,007.47 = 143,253.17 : x - Step 2: Convert to fraction form
145,578.24/201,007.47 = 143,253.17/x - Step 3: Cross multiply
145,578.24x = 201,007.47 × 143,253.17 - Step 4: Simplify right side
145,578.24x = 28,794,957,271.18 - Step 5: Solve for x
x = 28,794,957,271.18/145,578.24 - Step 6: Final answer
x = 197,797.12
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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.