Finding the Fourth Proportional to 134,775.30, 202,211.55 and 55,913.70
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Solution
The fourth proportional to 134,775.30, 202,211.55 and 55,913.70 is: 83,890.71
Step by Step Solution
- Step 1: Write the proportion equation
134,775.30 : 202,211.55 = 55,913.70 : x - Step 2: Convert to fraction form
134,775.30/202,211.55 = 55,913.70/x - Step 3: Cross multiply
134,775.30x = 202,211.55 × 55,913.70 - Step 4: Simplify right side
134,775.30x = 11,306,395,943.24 - Step 5: Solve for x
x = 11,306,395,943.24/134,775.30 - Step 6: Final answer
x = 83,890.71
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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.