Finding the Fourth Proportional to 439,924.28, 607,090.82 and 246,333.78
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Solution
The fourth proportional to 439,924.28, 607,090.82 and 246,333.78 is: 339,937.99
Step by Step Solution
- Step 1: Write the proportion equation
439,924.28 : 607,090.82 = 246,333.78 : x - Step 2: Convert to fraction form
439,924.28/607,090.82 = 246,333.78/x - Step 3: Cross multiply
439,924.28x = 607,090.82 × 246,333.78 - Step 4: Simplify right side
439,924.28x = 149,546,975,262.23 - Step 5: Solve for x
x = 149,546,975,262.23/439,924.28 - Step 6: Final answer
x = 339,937.99
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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.