Finding the Fourth Proportional to 603,214.22, 904,820.75 and 153,935.09
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Solution
The fourth proportional to 603,214.22, 904,820.75 and 153,935.09 is: 230,902.49
Step by Step Solution
- Step 1: Write the proportion equation
603,214.22 : 904,820.75 = 153,935.09 : x - Step 2: Convert to fraction form
603,214.22/904,820.75 = 153,935.09/x - Step 3: Cross multiply
603,214.22x = 904,820.75 × 153,935.09 - Step 4: Simplify right side
603,214.22x = 139,283,663,585.12 - Step 5: Solve for x
x = 139,283,663,585.12/603,214.22 - Step 6: Final answer
x = 230,902.49
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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.