Finding the Fourth Proportional to 288,395.54, 432,685.73 and 201,931.48
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Solution
The fourth proportional to 288,395.54, 432,685.73 and 201,931.48 is: 302,961.92
Step by Step Solution
- Step 1: Write the proportion equation
288,395.54 : 432,685.73 = 201,931.48 : x - Step 2: Convert to fraction form
288,395.54/432,685.73 = 201,931.48/x - Step 3: Cross multiply
288,395.54x = 432,685.73 × 201,931.48 - Step 4: Simplify right side
288,395.54x = 87,372,867,742.41 - Step 5: Solve for x
x = 87,372,867,742.41/288,395.54 - Step 6: Final answer
x = 302,961.92
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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.