Finding the Fourth Proportional to 415,779.41, 573,775.44 and 224,792.75
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Solution
The fourth proportional to 415,779.41, 573,775.44 and 224,792.75 is: 310,213.92
Step by Step Solution
- Step 1: Write the proportion equation
415,779.41 : 573,775.44 = 224,792.75 : x - Step 2: Convert to fraction form
415,779.41/573,775.44 = 224,792.75/x - Step 3: Cross multiply
415,779.41x = 573,775.44 × 224,792.75 - Step 4: Simplify right side
415,779.41x = 128,980,559,040.06 - Step 5: Solve for x
x = 128,980,559,040.06/415,779.41 - Step 6: Final answer
x = 310,213.92
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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.