Finding the Fourth Proportional to 405,642.06, 559,764.07 and 224,343.41
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Solution
The fourth proportional to 405,642.06, 559,764.07 and 224,343.41 is: 309,581.75
Step by Step Solution
- Step 1: Write the proportion equation
405,642.06 : 559,764.07 = 224,343.41 : x - Step 2: Convert to fraction form
405,642.06/559,764.07 = 224,343.41/x - Step 3: Cross multiply
405,642.06x = 559,764.07 × 224,343.41 - Step 4: Simplify right side
405,642.06x = 125,579,376,899.60 - Step 5: Solve for x
x = 125,579,376,899.60/405,642.06 - Step 6: Final answer
x = 309,581.75
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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.