Home / 304,749.34-420,557.60-168,785.91

Finding the Fourth Proportional to 304,749.34, 420,557.60 and 168,785.91

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Solution

The fourth proportional to 304,749.34, 420,557.60 and 168,785.91 is: 232,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,749.34 : 420,557.60 = 168,785.91 : x
  2. Step 2: Convert to fraction form
    304,749.34/420,557.60 = 168,785.91/x
  3. Step 3: Cross multiply
    304,749.34x = 420,557.60 × 168,785.91
  4. Step 4: Simplify right side
    304,749.34x = 70,984,197,645.38
  5. Step 5: Solve for x
    x = 70,984,197,645.38/304,749.34
  6. Step 6: Final answer
    x = 232,926.50

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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.