Finding the Fourth Proportional to 125,580.68, 188,366.16 and 42,474.68
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Solution
The fourth proportional to 125,580.68, 188,366.16 and 42,474.68 is: 63,710.38
Step by Step Solution
- Step 1: Write the proportion equation
125,580.68 : 188,366.16 = 42,474.68 : x - Step 2: Convert to fraction form
125,580.68/188,366.16 = 42,474.68/x - Step 3: Cross multiply
125,580.68x = 188,366.16 × 42,474.68 - Step 4: Simplify right side
125,580.68x = 8,000,792,368.83 - Step 5: Solve for x
x = 8,000,792,368.83/125,580.68 - Step 6: Final answer
x = 63,710.38
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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.