Finding the Fourth Proportional to 342,922.68, 473,357.52 and 279,149.76
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Solution
The fourth proportional to 342,922.68, 473,357.52 and 279,149.76 is: 385,327.79
Step by Step Solution
- Step 1: Write the proportion equation
342,922.68 : 473,357.52 = 279,149.76 : x - Step 2: Convert to fraction form
342,922.68/473,357.52 = 279,149.76/x - Step 3: Cross multiply
342,922.68x = 473,357.52 × 279,149.76 - Step 4: Simplify right side
342,922.68x = 132,137,638,102.20 - Step 5: Solve for x
x = 132,137,638,102.20/342,922.68 - Step 6: Final answer
x = 385,327.79
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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.