Finding the Fourth Proportional to 619,731.36, 929,525.76 and 193,299.84
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Solution
The fourth proportional to 619,731.36, 929,525.76 and 193,299.84 is: 289,927.53
Step by Step Solution
- Step 1: Write the proportion equation
619,731.36 : 929,525.76 = 193,299.84 : x - Step 2: Convert to fraction form
619,731.36/929,525.76 = 193,299.84/x - Step 3: Cross multiply
619,731.36x = 929,525.76 × 193,299.84 - Step 4: Simplify right side
619,731.36x = 179,677,180,683.88 - Step 5: Solve for x
x = 179,677,180,683.88/619,731.36 - Step 6: Final answer
x = 289,927.53
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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.