Finding the Fourth Proportional to 291,532.40, 402,177.26 and 170,599.52
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Solution
The fourth proportional to 291,532.40, 402,177.26 and 170,599.52 is: 235,346.90
Step by Step Solution
- Step 1: Write the proportion equation
291,532.40 : 402,177.26 = 170,599.52 : x - Step 2: Convert to fraction form
291,532.40/402,177.26 = 170,599.52/x - Step 3: Cross multiply
291,532.40x = 402,177.26 × 170,599.52 - Step 4: Simplify right side
291,532.40x = 68,611,245,926.53 - Step 5: Solve for x
x = 68,611,245,926.53/291,532.40 - Step 6: Final answer
x = 235,346.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.