Finding the Fourth Proportional to 416,783.42, 575,129.06 and 235,515.30
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Solution
The fourth proportional to 416,783.42, 575,129.06 and 235,515.30 is: 324,992.99
Step by Step Solution
- Step 1: Write the proportion equation
416,783.42 : 575,129.06 = 235,515.30 : x - Step 2: Convert to fraction form
416,783.42/575,129.06 = 235,515.30/x - Step 3: Cross multiply
416,783.42x = 575,129.06 × 235,515.30 - Step 4: Simplify right side
416,783.42x = 135,451,690,653.49 - Step 5: Solve for x
x = 135,451,690,653.49/416,783.42 - Step 6: Final answer
x = 324,992.99
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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.