Finding the Fourth Proportional to 246,918.78, 340,748.64 and 133,741.53
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Solution
The fourth proportional to 246,918.78, 340,748.64 and 133,741.53 is: 184,563.70
Step by Step Solution
- Step 1: Write the proportion equation
246,918.78 : 340,748.64 = 133,741.53 : x - Step 2: Convert to fraction form
246,918.78/340,748.64 = 133,741.53/x - Step 3: Cross multiply
246,918.78x = 340,748.64 × 133,741.53 - Step 4: Simplify right side
246,918.78x = 45,572,244,459.02 - Step 5: Solve for x
x = 45,572,244,459.02/246,918.78 - Step 6: Final answer
x = 184,563.70
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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.