Finding the Fourth Proportional to 188,950.77, 260,746.80 and 102,907.87
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Solution
The fourth proportional to 188,950.77, 260,746.80 and 102,907.87 is: 142,009.99
Step by Step Solution
- Step 1: Write the proportion equation
188,950.77 : 260,746.80 = 102,907.87 : x - Step 2: Convert to fraction form
188,950.77/260,746.80 = 102,907.87/x - Step 3: Cross multiply
188,950.77x = 260,746.80 × 102,907.87 - Step 4: Simplify right side
188,950.77x = 26,832,897,797.32 - Step 5: Solve for x
x = 26,832,897,797.32/188,950.77 - Step 6: Final answer
x = 142,009.99
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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.