Finding the Fourth Proportional to 663,125.70, 994,688.55 and 164,489.70
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Solution
The fourth proportional to 663,125.70, 994,688.55 and 164,489.70 is: 246,734.55
Step by Step Solution
- Step 1: Write the proportion equation
663,125.70 : 994,688.55 = 164,489.70 : x - Step 2: Convert to fraction form
663,125.70/994,688.55 = 164,489.70/x - Step 3: Cross multiply
663,125.70x = 994,688.55 × 164,489.70 - Step 4: Simplify right side
663,125.70x = 163,616,021,182.94 - Step 5: Solve for x
x = 163,616,021,182.94/663,125.70 - Step 6: Final answer
x = 246,734.55
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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.