Finding the Fourth Proportional to 349,492.64, 524,438.07 and 136,232.80
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Solution
The fourth proportional to 349,492.64, 524,438.07 and 136,232.80 is: 204,426.81
Step by Step Solution
- Step 1: Write the proportion equation
349,492.64 : 524,438.07 = 136,232.80 : x - Step 2: Convert to fraction form
349,492.64/524,438.07 = 136,232.80/x - Step 3: Cross multiply
349,492.64x = 524,438.07 × 136,232.80 - Step 4: Simplify right side
349,492.64x = 71,445,664,880.73 - Step 5: Solve for x
x = 71,445,664,880.73/349,492.64 - Step 6: Final answer
x = 204,426.81
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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.