Finding the Fourth Proportional to 245,983.80, 368,975.70 and 121,567.80
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Solution
The fourth proportional to 245,983.80, 368,975.70 and 121,567.80 is: 182,351.70
Step by Step Solution
- Step 1: Write the proportion equation
245,983.80 : 368,975.70 = 121,567.80 : x - Step 2: Convert to fraction form
245,983.80/368,975.70 = 121,567.80/x - Step 3: Cross multiply
245,983.80x = 368,975.70 × 121,567.80 - Step 4: Simplify right side
245,983.80x = 44,855,564,102.46 - Step 5: Solve for x
x = 44,855,564,102.46/245,983.80 - Step 6: Final answer
x = 182,351.70
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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.