Finding the Fourth Proportional to 433,538.10, 598,285.26 and 242,551.44
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Solution
The fourth proportional to 433,538.10, 598,285.26 and 242,551.44 is: 334,722.49
Step by Step Solution
- Step 1: Write the proportion equation
433,538.10 : 598,285.26 = 242,551.44 : x - Step 2: Convert to fraction form
433,538.10/598,285.26 = 242,551.44/x - Step 3: Cross multiply
433,538.10x = 598,285.26 × 242,551.44 - Step 4: Simplify right side
433,538.10x = 145,114,951,343.77 - Step 5: Solve for x
x = 145,114,951,343.77/433,538.10 - Step 6: Final answer
x = 334,722.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.