Finding the Fourth Proportional to 268,574.80, 402,862.20 and 201,652.60
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Solution
The fourth proportional to 268,574.80, 402,862.20 and 201,652.60 is: 302,478.90
Step by Step Solution
- Step 1: Write the proportion equation
268,574.80 : 402,862.20 = 201,652.60 : x - Step 2: Convert to fraction form
268,574.80/402,862.20 = 201,652.60/x - Step 3: Cross multiply
268,574.80x = 402,862.20 × 201,652.60 - Step 4: Simplify right side
268,574.80x = 81,238,210,071.72 - Step 5: Solve for x
x = 81,238,210,071.72/268,574.80 - Step 6: Final answer
x = 302,478.90
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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.