Finding the Fourth Proportional to 156,981.37, 235,430.49 and 68,214.08
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Solution
The fourth proportional to 156,981.37, 235,430.49 and 68,214.08 is: 102,303.06
Step by Step Solution
- Step 1: Write the proportion equation
156,981.37 : 235,430.49 = 68,214.08 : x - Step 2: Convert to fraction form
156,981.37/235,430.49 = 68,214.08/x - Step 3: Cross multiply
156,981.37x = 235,430.49 × 68,214.08 - Step 4: Simplify right side
156,981.37x = 16,059,674,279.30 - Step 5: Solve for x
x = 16,059,674,279.30/156,981.37 - Step 6: Final answer
x = 102,303.06
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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.