Finding the Fourth Proportional to 326,354.26, 489,535.71 and 126,686.02
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Solution
The fourth proportional to 326,354.26, 489,535.71 and 126,686.02 is: 190,030.71
Step by Step Solution
- Step 1: Write the proportion equation
326,354.26 : 489,535.71 = 126,686.02 : x - Step 2: Convert to fraction form
326,354.26/489,535.71 = 126,686.02/x - Step 3: Cross multiply
326,354.26x = 489,535.71 × 126,686.02 - Step 4: Simplify right side
326,354.26x = 62,017,330,747.77 - Step 5: Solve for x
x = 62,017,330,747.77/326,354.26 - Step 6: Final answer
x = 190,030.71
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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.