Finding the Fourth Proportional to 156,750.64, 235,125.88 and 38,420.98
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Solution
The fourth proportional to 156,750.64, 235,125.88 and 38,420.98 is: 57,631.45
Step by Step Solution
- Step 1: Write the proportion equation
156,750.64 : 235,125.88 = 38,420.98 : x - Step 2: Convert to fraction form
156,750.64/235,125.88 = 38,420.98/x - Step 3: Cross multiply
156,750.64x = 235,125.88 × 38,420.98 - Step 4: Simplify right side
156,750.64x = 9,033,766,732.96 - Step 5: Solve for x
x = 9,033,766,732.96/156,750.64 - Step 6: Final answer
x = 57,631.45
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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.