Finding the Fourth Proportional to 251,039.18, 346,434.04 and 136,317.26
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Solution
The fourth proportional to 251,039.18, 346,434.04 and 136,317.26 is: 188,117.80
Step by Step Solution
- Step 1: Write the proportion equation
251,039.18 : 346,434.04 = 136,317.26 : x - Step 2: Convert to fraction form
251,039.18/346,434.04 = 136,317.26/x - Step 3: Cross multiply
251,039.18x = 346,434.04 × 136,317.26 - Step 4: Simplify right side
251,039.18x = 47,224,939,103.53 - Step 5: Solve for x
x = 47,224,939,103.53/251,039.18 - Step 6: Final answer
x = 188,117.80
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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.