Finding the Fourth Proportional to 323,856.40, 486,205.55 and 249,029.09
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Solution
The fourth proportional to 323,856.40, 486,205.55 and 249,029.09 is: 373,867.32
Step by Step Solution
- Step 1: Write the proportion equation
323,856.40 : 486,205.55 = 249,029.09 : x - Step 2: Convert to fraction form
323,856.40/486,205.55 = 249,029.09/x - Step 3: Cross multiply
323,856.40x = 486,205.55 × 249,029.09 - Step 4: Simplify right side
323,856.40x = 121,079,325,669.45 - Step 5: Solve for x
x = 121,079,325,669.45/323,856.40 - Step 6: Final answer
x = 373,867.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.