Finding the Fourth Proportional to 156,750.12, 235,125.14 and 38,420.46
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Solution
The fourth proportional to 156,750.12, 235,125.14 and 38,420.46 is: 57,630.68
Step by Step Solution
- Step 1: Write the proportion equation
156,750.12 : 235,125.14 = 38,420.46 : x - Step 2: Convert to fraction form
156,750.12/235,125.14 = 38,420.46/x - Step 3: Cross multiply
156,750.12x = 235,125.14 × 38,420.46 - Step 4: Simplify right side
156,750.12x = 9,033,615,844.26 - Step 5: Solve for x
x = 9,033,615,844.26/156,750.12 - Step 6: Final answer
x = 57,630.68
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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.