Finding the Fourth Proportional to 190,671.33, 285,894.84 and 72,350.99
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Solution
The fourth proportional to 190,671.33, 285,894.84 and 72,350.99 is: 108,483.93
Step by Step Solution
- Step 1: Write the proportion equation
190,671.33 : 285,894.84 = 72,350.99 : x - Step 2: Convert to fraction form
190,671.33/285,894.84 = 72,350.99/x - Step 3: Cross multiply
190,671.33x = 285,894.84 × 72,350.99 - Step 4: Simplify right side
190,671.33x = 20,684,774,709.89 - Step 5: Solve for x
x = 20,684,774,709.89/190,671.33 - Step 6: Final answer
x = 108,483.93
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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.