Finding the Fourth Proportional to 171,497.07, 257,403.50 and 87,317.40
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Solution
The fourth proportional to 171,497.07, 257,403.50 and 87,317.40 is: 131,056.49
Step by Step Solution
- Step 1: Write the proportion equation
171,497.07 : 257,403.50 = 87,317.40 : x - Step 2: Convert to fraction form
171,497.07/257,403.50 = 87,317.40/x - Step 3: Cross multiply
171,497.07x = 257,403.50 × 87,317.40 - Step 4: Simplify right side
171,497.07x = 22,475,804,370.90 - Step 5: Solve for x
x = 22,475,804,370.90/171,497.07 - Step 6: Final answer
x = 131,056.49
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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.