Finding the Fourth Proportional to 563,774.21, 845,785.70 and 164,446.23
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Solution
The fourth proportional to 563,774.21, 845,785.70 and 164,446.23 is: 246,705.63
Step by Step Solution
- Step 1: Write the proportion equation
563,774.21 : 845,785.70 = 164,446.23 : x - Step 2: Convert to fraction form
563,774.21/845,785.70 = 164,446.23/x - Step 3: Cross multiply
563,774.21x = 845,785.70 × 164,446.23 - Step 4: Simplify right side
563,774.21x = 139,086,268,930.68 - Step 5: Solve for x
x = 139,086,268,930.68/563,774.21 - Step 6: Final answer
x = 246,705.63
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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.