Finding the Fourth Proportional to 156,748.05, 235,122.08 and 38,420.55
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Solution
The fourth proportional to 156,748.05, 235,122.08 and 38,420.55 is: 57,630.83
Step by Step Solution
- Step 1: Write the proportion equation
156,748.05 : 235,122.08 = 38,420.55 : x - Step 2: Convert to fraction form
156,748.05/235,122.08 = 38,420.55/x - Step 3: Cross multiply
156,748.05x = 235,122.08 × 38,420.55 - Step 4: Simplify right side
156,748.05x = 9,033,519,438.64 - Step 5: Solve for x
x = 9,033,519,438.64/156,748.05 - Step 6: Final answer
x = 57,630.83
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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.