Finding the Fourth Proportional to 311,599.90, 430,095.99 and 184,319.74
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Solution
The fourth proportional to 311,599.90, 430,095.99 and 184,319.74 is: 254,413.37
Step by Step Solution
- Step 1: Write the proportion equation
311,599.90 : 430,095.99 = 184,319.74 : x - Step 2: Convert to fraction form
311,599.90/430,095.99 = 184,319.74/x - Step 3: Cross multiply
311,599.90x = 430,095.99 × 184,319.74 - Step 4: Simplify right side
311,599.90x = 79,275,181,051.84 - Step 5: Solve for x
x = 79,275,181,051.84/311,599.90 - Step 6: Final answer
x = 254,413.37
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1.5x scale
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.