Finding the Fourth Proportional to 649,415.98, 973,954.48 and 193,900.79
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Solution
The fourth proportional to 649,415.98, 973,954.48 and 193,900.79 is: 290,800.57
Step by Step Solution
- Step 1: Write the proportion equation
649,415.98 : 973,954.48 = 193,900.79 : x - Step 2: Convert to fraction form
649,415.98/973,954.48 = 193,900.79/x - Step 3: Cross multiply
649,415.98x = 973,954.48 × 193,900.79 - Step 4: Simplify right side
649,415.98x = 188,850,539,931.24 - Step 5: Solve for x
x = 188,850,539,931.24/649,415.98 - Step 6: Final answer
x = 290,800.57
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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.