Finding the Fourth Proportional to 245,855.80, 368,783.70 and 235,487.80
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Solution
The fourth proportional to 245,855.80, 368,783.70 and 235,487.80 is: 353,231.70
Step by Step Solution
- Step 1: Write the proportion equation
245,855.80 : 368,783.70 = 235,487.80 : x - Step 2: Convert to fraction form
245,855.80/368,783.70 = 235,487.80/x - Step 3: Cross multiply
245,855.80x = 368,783.70 × 235,487.80 - Step 4: Simplify right side
245,855.80x = 86,844,062,188.86 - Step 5: Solve for x
x = 86,844,062,188.86/245,855.80 - Step 6: Final answer
x = 353,231.70
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1.5x scale
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.