Finding the Fourth Proportional to 778,220.26, 1,167,366.22 and 238,437.88
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Solution
The fourth proportional to 778,220.26, 1,167,366.22 and 238,437.88 is: 357,667.80
Step by Step Solution
- Step 1: Write the proportion equation
778,220.26 : 1,167,366.22 = 238,437.88 : x - Step 2: Convert to fraction form
778,220.26/1,167,366.22 = 238,437.88/x - Step 3: Cross multiply
778,220.26x = 1,167,366.22 × 238,437.88 - Step 4: Simplify right side
778,220.26x = 278,344,326,680.41 - Step 5: Solve for x
x = 278,344,326,680.41/778,220.26 - Step 6: Final answer
x = 357,667.80
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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.