Finding the Fourth Proportional to 913,856.76, 1,370,743.74 and 239,922.18
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Solution
The fourth proportional to 913,856.76, 1,370,743.74 and 239,922.18 is: 359,872.40
Step by Step Solution
- Step 1: Write the proportion equation
913,856.76 : 1,370,743.74 = 239,922.18 : x - Step 2: Convert to fraction form
913,856.76/1,370,743.74 = 239,922.18/x - Step 3: Cross multiply
913,856.76x = 1,370,743.74 × 239,922.18 - Step 4: Simplify right side
913,856.76x = 328,871,826,322.15 - Step 5: Solve for x
x = 328,871,826,322.15/913,856.76 - Step 6: Final answer
x = 359,872.40
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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.