Finding the Fourth Proportional to 415,765.68, 573,756.69 and 224,779.02
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Solution
The fourth proportional to 415,765.68, 573,756.69 and 224,779.02 is: 310,195.08
Step by Step Solution
- Step 1: Write the proportion equation
415,765.68 : 573,756.69 = 224,779.02 : x - Step 2: Convert to fraction form
415,765.68/573,756.69 = 224,779.02/x - Step 3: Cross multiply
415,765.68x = 573,756.69 × 224,779.02 - Step 4: Simplify right side
415,765.68x = 128,968,466,496.64 - Step 5: Solve for x
x = 128,968,466,496.64/415,765.68 - Step 6: Final answer
x = 310,195.08
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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.