Finding the Fourth Proportional to 425,604.60, 638,354.88 and 110,035.08
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Solution
The fourth proportional to 425,604.60, 638,354.88 and 110,035.08 is: 165,039.17
Step by Step Solution
- Step 1: Write the proportion equation
425,604.60 : 638,354.88 = 110,035.08 : x - Step 2: Convert to fraction form
425,604.60/638,354.88 = 110,035.08/x - Step 3: Cross multiply
425,604.60x = 638,354.88 × 110,035.08 - Step 4: Simplify right side
425,604.60x = 70,241,430,289.19 - Step 5: Solve for x
x = 70,241,430,289.19/425,604.60 - Step 6: Final answer
x = 165,039.17
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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.