Home / 242,139.08-334,162.76-201,785.32

Finding the Fourth Proportional to 242,139.08, 334,162.76 and 201,785.32

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Solution

The fourth proportional to 242,139.08, 334,162.76 and 201,785.32 is: 278,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,139.08 : 334,162.76 = 201,785.32 : x
  2. Step 2: Convert to fraction form
    242,139.08/334,162.76 = 201,785.32/x
  3. Step 3: Cross multiply
    242,139.08x = 334,162.76 × 201,785.32
  4. Step 4: Simplify right side
    242,139.08x = 67,429,139,458.68
  5. Step 5: Solve for x
    x = 67,429,139,458.68/242,139.08
  6. Step 6: Final answer
    x = 278,472.77

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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.