Finding the Fourth Proportional to 514,113.08, 709,375.23 and 323,015.75
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Solution
The fourth proportional to 514,113.08, 709,375.23 and 323,015.75 is: 445,698.39
Step by Step Solution
- Step 1: Write the proportion equation
514,113.08 : 709,375.23 = 323,015.75 : x - Step 2: Convert to fraction form
514,113.08/709,375.23 = 323,015.75/x - Step 3: Cross multiply
514,113.08x = 709,375.23 × 323,015.75 - Step 4: Simplify right side
514,113.08x = 229,139,370,334.79 - Step 5: Solve for x
x = 229,139,370,334.79/514,113.08 - Step 6: Final answer
x = 445,698.39
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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.