Finding the Fourth Proportional to 354,259.42, 531,334.36 and 129,567.31
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Solution
The fourth proportional to 354,259.42, 531,334.36 and 129,567.31 is: 194,330.94
Step by Step Solution
- Step 1: Write the proportion equation
354,259.42 : 531,334.36 = 129,567.31 : x - Step 2: Convert to fraction form
354,259.42/531,334.36 = 129,567.31/x - Step 3: Cross multiply
354,259.42x = 531,334.36 × 129,567.31 - Step 4: Simplify right side
354,259.42x = 68,843,565,193.74 - Step 5: Solve for x
x = 68,843,565,193.74/354,259.42 - Step 6: Final answer
x = 194,330.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.