Finding the Fourth Proportional to 259,465.05, 358,062.21 and 144,751.23
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Solution
The fourth proportional to 259,465.05, 358,062.21 and 144,751.23 is: 199,756.94
Step by Step Solution
- Step 1: Write the proportion equation
259,465.05 : 358,062.21 = 144,751.23 : x - Step 2: Convert to fraction form
259,465.05/358,062.21 = 144,751.23/x - Step 3: Cross multiply
259,465.05x = 358,062.21 × 144,751.23 - Step 4: Simplify right side
259,465.05x = 51,829,945,314.02 - Step 5: Solve for x
x = 51,829,945,314.02/259,465.05 - Step 6: Final answer
x = 199,756.94
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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.