Finding the Fourth Proportional to 285,303.80, 427,955.70 and 202,359.80
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Solution
The fourth proportional to 285,303.80, 427,955.70 and 202,359.80 is: 303,539.70
Step by Step Solution
- Step 1: Write the proportion equation
285,303.80 : 427,955.70 = 202,359.80 : x - Step 2: Convert to fraction form
285,303.80/427,955.70 = 202,359.80/x - Step 3: Cross multiply
285,303.80x = 427,955.70 × 202,359.80 - Step 4: Simplify right side
285,303.80x = 86,601,029,860.86 - Step 5: Solve for x
x = 86,601,029,860.86/285,303.80 - Step 6: Final answer
x = 303,539.70
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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.