Finding the Fourth Proportional to 260,394.62, 390,523.58 and 110,557.78
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Solution
The fourth proportional to 260,394.62, 390,523.58 and 110,557.78 is: 165,807.65
Step by Step Solution
- Step 1: Write the proportion equation
260,394.62 : 390,523.58 = 110,557.78 : x - Step 2: Convert to fraction form
260,394.62/390,523.58 = 110,557.78/x - Step 3: Cross multiply
260,394.62x = 390,523.58 × 110,557.78 - Step 4: Simplify right side
260,394.62x = 43,175,420,807.00 - Step 5: Solve for x
x = 43,175,420,807.00/260,394.62 - Step 6: Final answer
x = 165,807.65
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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.