Finding the Fourth Proportional to 188,852.63, 260,607.26 and 103,967.87
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Solution
The fourth proportional to 188,852.63, 260,607.26 and 103,967.87 is: 143,470.50
Step by Step Solution
- Step 1: Write the proportion equation
188,852.63 : 260,607.26 = 103,967.87 : x - Step 2: Convert to fraction form
188,852.63/260,607.26 = 103,967.87/x - Step 3: Cross multiply
188,852.63x = 260,607.26 × 103,967.87 - Step 4: Simplify right side
188,852.63x = 27,094,781,208.90 - Step 5: Solve for x
x = 27,094,781,208.90/188,852.63 - Step 6: Final answer
x = 143,470.50
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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.