Finding the Fourth Proportional to 156,750.62, 235,125.88 and 38,420.96
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Solution
The fourth proportional to 156,750.62, 235,125.88 and 38,420.96 is: 57,631.43
Step by Step Solution
- Step 1: Write the proportion equation
156,750.62 : 235,125.88 = 38,420.96 : x - Step 2: Convert to fraction form
156,750.62/235,125.88 = 38,420.96/x - Step 3: Cross multiply
156,750.62x = 235,125.88 × 38,420.96 - Step 4: Simplify right side
156,750.62x = 9,033,762,030.44 - Step 5: Solve for x
x = 9,033,762,030.44/156,750.62 - Step 6: Final answer
x = 57,631.43
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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.