Finding the Fourth Proportional to 245,711.80, 368,567.70 and 121,295.80
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Solution
The fourth proportional to 245,711.80, 368,567.70 and 121,295.80 is: 181,943.70
Step by Step Solution
- Step 1: Write the proportion equation
245,711.80 : 368,567.70 = 121,295.80 : x - Step 2: Convert to fraction form
245,711.80/368,567.70 = 121,295.80/x - Step 3: Cross multiply
245,711.80x = 368,567.70 × 121,295.80 - Step 4: Simplify right side
245,711.80x = 44,705,714,025.66 - Step 5: Solve for x
x = 44,705,714,025.66/245,711.80 - Step 6: Final answer
x = 181,943.70
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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.