Finding the Fourth Proportional to 405,388.84, 559,432.88 and 224,105.44
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Solution
The fourth proportional to 405,388.84, 559,432.88 and 224,105.44 is: 309,263.45
Step by Step Solution
- Step 1: Write the proportion equation
405,388.84 : 559,432.88 = 224,105.44 : x - Step 2: Convert to fraction form
405,388.84/559,432.88 = 224,105.44/x - Step 3: Cross multiply
405,388.84x = 559,432.88 × 224,105.44 - Step 4: Simplify right side
405,388.84x = 125,371,951,722.87 - Step 5: Solve for x
x = 125,371,951,722.87/405,388.84 - Step 6: Final answer
x = 309,263.45
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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.