Finding the Fourth Proportional to 188,947.04, 283,322.15 and 70,520.99
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Solution
The fourth proportional to 188,947.04, 283,322.15 and 70,520.99 is: 105,744.75
Step by Step Solution
- Step 1: Write the proportion equation
188,947.04 : 283,322.15 = 70,520.99 : x - Step 2: Convert to fraction form
188,947.04/283,322.15 = 70,520.99/x - Step 3: Cross multiply
188,947.04x = 283,322.15 × 70,520.99 - Step 4: Simplify right side
188,947.04x = 19,980,158,154.32 - Step 5: Solve for x
x = 19,980,158,154.32/188,947.04 - Step 6: Final answer
x = 105,744.75
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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.