Finding the Fourth Proportional to 188,967.68, 260,776.12 and 104,084.54
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Solution
The fourth proportional to 188,967.68, 260,776.12 and 104,084.54 is: 143,637.06
Step by Step Solution
- Step 1: Write the proportion equation
188,967.68 : 260,776.12 = 104,084.54 : x - Step 2: Convert to fraction form
188,967.68/260,776.12 = 104,084.54/x - Step 3: Cross multiply
188,967.68x = 260,776.12 × 104,084.54 - Step 4: Simplify right side
188,967.68x = 27,142,762,493.18 - Step 5: Solve for x
x = 27,142,762,493.18/188,967.68 - Step 6: Final answer
x = 143,637.06
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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.