Finding the Fourth Proportional to 268,574.60, 402,205.80 and 201,652.40
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Solution
The fourth proportional to 268,574.60, 402,205.80 and 201,652.40 is: 301,985.98
Step by Step Solution
- Step 1: Write the proportion equation
268,574.60 : 402,205.80 = 201,652.40 : x - Step 2: Convert to fraction form
268,574.60/402,205.80 = 201,652.40/x - Step 3: Cross multiply
268,574.60x = 402,205.80 × 201,652.40 - Step 4: Simplify right side
268,574.60x = 81,105,764,863.92 - Step 5: Solve for x
x = 81,105,764,863.92/268,574.60 - Step 6: Final answer
x = 301,985.98
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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.