Finding the Fourth Proportional to 446,995.80, 670,351.14 and 147,420.54
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Solution
The fourth proportional to 446,995.80, 670,351.14 and 147,420.54 is: 221,083.79
Step by Step Solution
- Step 1: Write the proportion equation
446,995.80 : 670,351.14 = 147,420.54 : x - Step 2: Convert to fraction form
446,995.80/670,351.14 = 147,420.54/x - Step 3: Cross multiply
446,995.80x = 670,351.14 × 147,420.54 - Step 4: Simplify right side
446,995.80x = 98,823,527,048.42 - Step 5: Solve for x
x = 98,823,527,048.42/446,995.80 - Step 6: Final answer
x = 221,083.79
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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.