Finding the Fourth Proportional to 251,008.99, 346,395.39 and 136,289.01
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Solution
The fourth proportional to 251,008.99, 346,395.39 and 136,289.01 is: 188,080.45
Step by Step Solution
- Step 1: Write the proportion equation
251,008.99 : 346,395.39 = 136,289.01 : x - Step 2: Convert to fraction form
251,008.99/346,395.39 = 136,289.01/x - Step 3: Cross multiply
251,008.99x = 346,395.39 × 136,289.01 - Step 4: Simplify right side
251,008.99x = 47,209,884,771.66 - Step 5: Solve for x
x = 47,209,884,771.66/251,008.99 - Step 6: Final answer
x = 188,080.45
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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.