Finding the Fourth Proportional to 171,762.19, 257,568.08 and 70,490.79
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Solution
The fourth proportional to 171,762.19, 257,568.08 and 70,490.79 is: 105,705.32
Step by Step Solution
- Step 1: Write the proportion equation
171,762.19 : 257,568.08 = 70,490.79 : x - Step 2: Convert to fraction form
171,762.19/257,568.08 = 70,490.79/x - Step 3: Cross multiply
171,762.19x = 257,568.08 × 70,490.79 - Step 4: Simplify right side
171,762.19x = 18,156,177,085.53 - Step 5: Solve for x
x = 18,156,177,085.53/171,762.19 - Step 6: Final answer
x = 105,705.32
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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.