Finding the Fourth Proportional to 156,929.28, 235,395.36 and 111,760.08
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Solution
The fourth proportional to 156,929.28, 235,395.36 and 111,760.08 is: 167,641.15
Step by Step Solution
- Step 1: Write the proportion equation
156,929.28 : 235,395.36 = 111,760.08 : x - Step 2: Convert to fraction form
156,929.28/235,395.36 = 111,760.08/x - Step 3: Cross multiply
156,929.28x = 235,395.36 × 111,760.08 - Step 4: Simplify right side
156,929.28x = 26,307,804,265.23 - Step 5: Solve for x
x = 26,307,804,265.23/156,929.28 - Step 6: Final answer
x = 167,641.15
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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.