Finding the Fourth Proportional to 282,925.26, 390,445.02 and 155,609.06
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Solution
The fourth proportional to 282,925.26, 390,445.02 and 155,609.06 is: 214,744.99
Step by Step Solution
- Step 1: Write the proportion equation
282,925.26 : 390,445.02 = 155,609.06 : x - Step 2: Convert to fraction form
282,925.26/390,445.02 = 155,609.06/x - Step 3: Cross multiply
282,925.26x = 390,445.02 × 155,609.06 - Step 4: Simplify right side
282,925.26x = 60,756,782,543.88 - Step 5: Solve for x
x = 60,756,782,543.88/282,925.26 - Step 6: Final answer
x = 214,744.99
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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.