Finding the Fourth Proportional to 430,348.26, 645,626.06 and 134,860.26
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Solution
The fourth proportional to 430,348.26, 645,626.06 and 134,860.26 is: 202,322.88
Step by Step Solution
- Step 1: Write the proportion equation
430,348.26 : 645,626.06 = 134,860.26 : x - Step 2: Convert to fraction form
430,348.26/645,626.06 = 134,860.26/x - Step 3: Cross multiply
430,348.26x = 645,626.06 × 134,860.26 - Step 4: Simplify right side
430,348.26x = 87,069,298,314.38 - Step 5: Solve for x
x = 87,069,298,314.38/430,348.26 - Step 6: Final answer
x = 202,322.88
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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.