Finding the Fourth Proportional to 440,555.45, 607,990.55 and 249,606.05
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Solution
The fourth proportional to 440,555.45, 607,990.55 and 249,606.05 is: 344,469.96
Step by Step Solution
- Step 1: Write the proportion equation
440,555.45 : 607,990.55 = 249,606.05 : x - Step 2: Convert to fraction form
440,555.45/607,990.55 = 249,606.05/x - Step 3: Cross multiply
440,555.45x = 607,990.55 × 249,606.05 - Step 4: Simplify right side
440,555.45x = 151,758,115,334.85 - Step 5: Solve for x
x = 151,758,115,334.85/440,555.45 - Step 6: Final answer
x = 344,469.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.