Finding the Fourth Proportional to 313,257.96, 432,296.37 and 170,017.98
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Solution
The fourth proportional to 313,257.96, 432,296.37 and 170,017.98 is: 234,625.02
Step by Step Solution
- Step 1: Write the proportion equation
313,257.96 : 432,296.37 = 170,017.98 : x - Step 2: Convert to fraction form
313,257.96/432,296.37 = 170,017.98/x - Step 3: Cross multiply
313,257.96x = 432,296.37 × 170,017.98 - Step 4: Simplify right side
313,257.96x = 73,498,155,588.73 - Step 5: Solve for x
x = 73,498,155,588.73/313,257.96 - Step 6: Final answer
x = 234,625.02
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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.