Home / 291,938.20-437,561.70-123,458.20

Finding the Fourth Proportional to 291,938.20, 437,561.70 and 123,458.20

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Solution

The fourth proportional to 291,938.20, 437,561.70 and 123,458.20 is: 185,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,938.20 : 437,561.70 = 123,458.20 : x
  2. Step 2: Convert to fraction form
    291,938.20/437,561.70 = 123,458.20/x
  3. Step 3: Cross multiply
    291,938.20x = 437,561.70 × 123,458.20
  4. Step 4: Simplify right side
    291,938.20x = 54,020,579,870.94
  5. Step 5: Solve for x
    x = 54,020,579,870.94/291,938.20
  6. Step 6: Final answer
    x = 185,041.15

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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.