Finding the Fourth Proportional to 260,040.06, 390,113.55 and 117,817.02
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Solution
The fourth proportional to 260,040.06, 390,113.55 and 117,817.02 is: 176,749.75
Step by Step Solution
- Step 1: Write the proportion equation
260,040.06 : 390,113.55 = 117,817.02 : x - Step 2: Convert to fraction form
260,040.06/390,113.55 = 117,817.02/x - Step 3: Cross multiply
260,040.06x = 390,113.55 × 117,817.02 - Step 4: Simplify right side
260,040.06x = 45,962,015,922.62 - Step 5: Solve for x
x = 45,962,015,922.62/260,040.06 - Step 6: Final answer
x = 176,749.75
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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.