Finding the Fourth Proportional to 260,155.26, 390,223.95 and 110,299.05
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Solution
The fourth proportional to 260,155.26, 390,223.95 and 110,299.05 is: 165,444.78
Step by Step Solution
- Step 1: Write the proportion equation
260,155.26 : 390,223.95 = 110,299.05 : x - Step 2: Convert to fraction form
260,155.26/390,223.95 = 110,299.05/x - Step 3: Cross multiply
260,155.26x = 390,223.95 × 110,299.05 - Step 4: Simplify right side
260,155.26x = 43,041,330,972.25 - Step 5: Solve for x
x = 43,041,330,972.25/260,155.26 - Step 6: Final answer
x = 165,444.78
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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.