Finding the Fourth Proportional to 246,986.98, 340,842.38 and 133,809.74
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Solution
The fourth proportional to 246,986.98, 340,842.38 and 133,809.74 is: 184,657.63
Step by Step Solution
- Step 1: Write the proportion equation
246,986.98 : 340,842.38 = 133,809.74 : x - Step 2: Convert to fraction form
246,986.98/340,842.38 = 133,809.74/x - Step 3: Cross multiply
246,986.98x = 340,842.38 × 133,809.74 - Step 4: Simplify right side
246,986.98x = 45,608,030,248.78 - Step 5: Solve for x
x = 45,608,030,248.78/246,986.98 - Step 6: Final answer
x = 184,657.63
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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.