Finding the Fourth Proportional to 260,822.18, 390,917.36 and 110,747.40
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Solution
The fourth proportional to 260,822.18, 390,917.36 and 110,747.40 is: 165,986.96
Step by Step Solution
- Step 1: Write the proportion equation
260,822.18 : 390,917.36 = 110,747.40 : x - Step 2: Convert to fraction form
260,822.18/390,917.36 = 110,747.40/x - Step 3: Cross multiply
260,822.18x = 390,917.36 × 110,747.40 - Step 4: Simplify right side
260,822.18x = 43,293,080,681.13 - Step 5: Solve for x
x = 43,293,080,681.13/260,822.18 - Step 6: Final answer
x = 165,986.96
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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.