Finding the Fourth Proportional to 405,389.84, 559,434.26 and 224,106.44
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Solution
The fourth proportional to 405,389.84, 559,434.26 and 224,106.44 is: 309,264.83
Step by Step Solution
- Step 1: Write the proportion equation
405,389.84 : 559,434.26 = 224,106.44 : x - Step 2: Convert to fraction form
405,389.84/559,434.26 = 224,106.44/x - Step 3: Cross multiply
405,389.84x = 559,434.26 × 224,106.44 - Step 4: Simplify right side
405,389.84x = 125,372,820,422.63 - Step 5: Solve for x
x = 125,372,820,422.63/405,389.84 - Step 6: Final answer
x = 309,264.83
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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.