Finding the Fourth Proportional to 174,595.20, 240,941.68 and 99,143.68
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Solution
The fourth proportional to 174,595.20, 240,941.68 and 99,143.68 is: 136,818.45
Step by Step Solution
- Step 1: Write the proportion equation
174,595.20 : 240,941.68 = 99,143.68 : x - Step 2: Convert to fraction form
174,595.20/240,941.68 = 99,143.68/x - Step 3: Cross multiply
174,595.20x = 240,941.68 × 99,143.68 - Step 4: Simplify right side
174,595.20x = 23,887,844,820.58 - Step 5: Solve for x
x = 23,887,844,820.58/174,595.20 - Step 6: Final answer
x = 136,818.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.