Finding the Fourth Proportional to 415,774.68, 573,769.11 and 224,788.02
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Solution
The fourth proportional to 415,774.68, 573,769.11 and 224,788.02 is: 310,207.50
Step by Step Solution
- Step 1: Write the proportion equation
415,774.68 : 573,769.11 = 224,788.02 : x - Step 2: Convert to fraction form
415,774.68/573,769.11 = 224,788.02/x - Step 3: Cross multiply
415,774.68x = 573,769.11 × 224,788.02 - Step 4: Simplify right side
415,774.68x = 128,976,422,174.06 - Step 5: Solve for x
x = 128,976,422,174.06/415,774.68 - Step 6: Final answer
x = 310,207.50
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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.