Finding the Fourth Proportional to 159,511.82, 239,303.21 and 69,569.08
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Solution
The fourth proportional to 159,511.82, 239,303.21 and 69,569.08 is: 104,369.10
Step by Step Solution
- Step 1: Write the proportion equation
159,511.82 : 239,303.21 = 69,569.08 : x - Step 2: Convert to fraction form
159,511.82/239,303.21 = 69,569.08/x - Step 3: Cross multiply
159,511.82x = 239,303.21 × 69,569.08 - Step 4: Simplify right side
159,511.82x = 16,648,104,764.24 - Step 5: Solve for x
x = 16,648,104,764.24/159,511.82 - Step 6: Final answer
x = 104,369.10
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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.