Finding the Fourth Proportional to 430,135.26, 645,160.94 and 130,618.43
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Solution
The fourth proportional to 430,135.26, 645,160.94 and 130,618.43 is: 195,914.91
Step by Step Solution
- Step 1: Write the proportion equation
430,135.26 : 645,160.94 = 130,618.43 : x - Step 2: Convert to fraction form
430,135.26/645,160.94 = 130,618.43/x - Step 3: Cross multiply
430,135.26x = 645,160.94 × 130,618.43 - Step 4: Simplify right side
430,135.26x = 84,269,909,080.12 - Step 5: Solve for x
x = 84,269,909,080.12/430,135.26 - Step 6: Final answer
x = 195,914.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.