Finding the Fourth Proportional to 171,412.90, 257,119.35 and 167,913.70
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Solution
The fourth proportional to 171,412.90, 257,119.35 and 167,913.70 is: 251,870.55
Step by Step Solution
- Step 1: Write the proportion equation
171,412.90 : 257,119.35 = 167,913.70 : x - Step 2: Convert to fraction form
171,412.90/257,119.35 = 167,913.70/x - Step 3: Cross multiply
171,412.90x = 257,119.35 × 167,913.70 - Step 4: Simplify right side
171,412.90x = 43,173,861,400.10 - Step 5: Solve for x
x = 43,173,861,400.10/171,412.90 - Step 6: Final answer
x = 251,870.55
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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.