Finding the Fourth Proportional to 156,914.64, 235,483.11 and 68,194.08
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Solution
The fourth proportional to 156,914.64, 235,483.11 and 68,194.08 is: 102,339.43
Step by Step Solution
- Step 1: Write the proportion equation
156,914.64 : 235,483.11 = 68,194.08 : x - Step 2: Convert to fraction form
156,914.64/235,483.11 = 68,194.08/x - Step 3: Cross multiply
156,914.64x = 235,483.11 × 68,194.08 - Step 4: Simplify right side
156,914.64x = 16,058,554,041.99 - Step 5: Solve for x
x = 16,058,554,041.99/156,914.64 - Step 6: Final answer
x = 102,339.43
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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.