Finding the Fourth Proportional to 245,873.80, 368,810.70 and 245,873.80
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Solution
The fourth proportional to 245,873.80, 368,810.70 and 245,873.80 is: 368,810.70
Step by Step Solution
- Step 1: Write the proportion equation
245,873.80 : 368,810.70 = 245,873.80 : x - Step 2: Convert to fraction form
245,873.80/368,810.70 = 245,873.80/x - Step 3: Cross multiply
245,873.80x = 368,810.70 × 245,873.80 - Step 4: Simplify right side
245,873.80x = 90,680,888,289.66 - Step 5: Solve for x
x = 90,680,888,289.66/245,873.80 - Step 6: Final answer
x = 368,810.70
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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.