Finding the Fourth Proportional to 156,937.30, 235,405.95 and 136,201.30
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Solution
The fourth proportional to 156,937.30, 235,405.95 and 136,201.30 is: 204,301.95
Step by Step Solution
- Step 1: Write the proportion equation
156,937.30 : 235,405.95 = 136,201.30 : x - Step 2: Convert to fraction form
156,937.30/235,405.95 = 136,201.30/x - Step 3: Cross multiply
156,937.30x = 235,405.95 × 136,201.30 - Step 4: Simplify right side
156,937.30x = 32,062,596,417.74 - Step 5: Solve for x
x = 32,062,596,417.74/156,937.30 - Step 6: Final answer
x = 204,301.95
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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.