Finding the Fourth Proportional to 299,102.34, 448,177.54 and 209,315.06
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Solution
The fourth proportional to 299,102.34, 448,177.54 and 209,315.06 is: 313,639.50
Step by Step Solution
- Step 1: Write the proportion equation
299,102.34 : 448,177.54 = 209,315.06 : x - Step 2: Convert to fraction form
299,102.34/448,177.54 = 209,315.06/x - Step 3: Cross multiply
299,102.34x = 448,177.54 × 209,315.06 - Step 4: Simplify right side
299,102.34x = 93,810,308,675.75 - Step 5: Solve for x
x = 93,810,308,675.75/299,102.34 - Step 6: Final answer
x = 313,639.50
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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.