Finding the Fourth Proportional to 159,585.59, 239,413.86 and 69,642.79
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Solution
The fourth proportional to 159,585.59, 239,413.86 and 69,642.79 is: 104,479.66
Step by Step Solution
- Step 1: Write the proportion equation
159,585.59 : 239,413.86 = 69,642.79 : x - Step 2: Convert to fraction form
159,585.59/239,413.86 = 69,642.79/x - Step 3: Cross multiply
159,585.59x = 239,413.86 × 69,642.79 - Step 4: Simplify right side
159,585.59x = 16,673,448,576.53 - Step 5: Solve for x
x = 16,673,448,576.53/159,585.59 - Step 6: Final answer
x = 104,479.66
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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.