Finding the Fourth Proportional to 251,646.42, 347,281.64 and 144,237.18
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Solution
The fourth proportional to 251,646.42, 347,281.64 and 144,237.18 is: 199,052.80
Step by Step Solution
- Step 1: Write the proportion equation
251,646.42 : 347,281.64 = 144,237.18 : x - Step 2: Convert to fraction form
251,646.42/347,281.64 = 144,237.18/x - Step 3: Cross multiply
251,646.42x = 347,281.64 × 144,237.18 - Step 4: Simplify right side
251,646.42x = 50,090,924,419.38 - Step 5: Solve for x
x = 50,090,924,419.38/251,646.42 - Step 6: Final answer
x = 199,052.80
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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.