Finding the Fourth Proportional to 325,378.14, 488,206.85 and 125,838.53
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Solution
The fourth proportional to 325,378.14, 488,206.85 and 125,838.53 is: 188,811.81
Step by Step Solution
- Step 1: Write the proportion equation
325,378.14 : 488,206.85 = 125,838.53 : x - Step 2: Convert to fraction form
325,378.14/488,206.85 = 125,838.53/x - Step 3: Cross multiply
325,378.14x = 488,206.85 × 125,838.53 - Step 4: Simplify right side
325,378.14x = 61,435,233,875.04 - Step 5: Solve for x
x = 61,435,233,875.04/325,378.14 - Step 6: Final answer
x = 188,811.81
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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.