Finding the Fourth Proportional to 188,479.04, 260,103.12 and 102,438.08
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Solution
The fourth proportional to 188,479.04, 260,103.12 and 102,438.08 is: 141,365.66
Step by Step Solution
- Step 1: Write the proportion equation
188,479.04 : 260,103.12 = 102,438.08 : x - Step 2: Convert to fraction form
188,479.04/260,103.12 = 102,438.08/x - Step 3: Cross multiply
188,479.04x = 260,103.12 × 102,438.08 - Step 4: Simplify right side
188,479.04x = 26,644,464,214.81 - Step 5: Solve for x
x = 26,644,464,214.81/188,479.04 - Step 6: Final answer
x = 141,365.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.