Finding the Fourth Proportional to 393,201.84, 589,803.12 and 97,713.84
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Solution
The fourth proportional to 393,201.84, 589,803.12 and 97,713.84 is: 146,570.85
Step by Step Solution
- Step 1: Write the proportion equation
393,201.84 : 589,803.12 = 97,713.84 : x - Step 2: Convert to fraction form
393,201.84/589,803.12 = 97,713.84/x - Step 3: Cross multiply
393,201.84x = 589,803.12 × 97,713.84 - Step 4: Simplify right side
393,201.84x = 57,631,927,699.18 - Step 5: Solve for x
x = 57,631,927,699.18/393,201.84 - Step 6: Final answer
x = 146,570.85
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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.