Finding the Fourth Proportional to 286,274.70, 429,412.05 and 168,176.70
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Solution
The fourth proportional to 286,274.70, 429,412.05 and 168,176.70 is: 252,265.05
Step by Step Solution
- Step 1: Write the proportion equation
286,274.70 : 429,412.05 = 168,176.70 : x - Step 2: Convert to fraction form
286,274.70/429,412.05 = 168,176.70/x - Step 3: Cross multiply
286,274.70x = 429,412.05 × 168,176.70 - Step 4: Simplify right side
286,274.70x = 72,217,101,509.24 - Step 5: Solve for x
x = 72,217,101,509.24/286,274.70 - Step 6: Final answer
x = 252,265.05
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1.5x scale
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.