Home / 446,107.08-615,629.43-242,158.40

Finding the Fourth Proportional to 446,107.08, 615,629.43 and 242,158.40

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Solution

The fourth proportional to 446,107.08, 615,629.43 and 242,158.40 is: 334,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,107.08 : 615,629.43 = 242,158.40 : x
  2. Step 2: Convert to fraction form
    446,107.08/615,629.43 = 242,158.40/x
  3. Step 3: Cross multiply
    446,107.08x = 615,629.43 × 242,158.40
  4. Step 4: Simplify right side
    446,107.08x = 149,079,837,761.71
  5. Step 5: Solve for x
    x = 149,079,837,761.71/446,107.08
  6. Step 6: Final answer
    x = 334,179.49

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1.5x scale

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.