Finding the Fourth Proportional to 149,574.05, 205,992.28 and 146,308.13
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Solution
The fourth proportional to 149,574.05, 205,992.28 and 146,308.13 is: 201,494.48
Step by Step Solution
- Step 1: Write the proportion equation
149,574.05 : 205,992.28 = 146,308.13 : x - Step 2: Convert to fraction form
149,574.05/205,992.28 = 146,308.13/x - Step 3: Cross multiply
149,574.05x = 205,992.28 × 146,308.13 - Step 4: Simplify right side
149,574.05x = 30,138,345,281.24 - Step 5: Solve for x
x = 30,138,345,281.24/149,574.05 - Step 6: Final answer
x = 201,494.48
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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.