Home / 304,789.46-420,624.50-183,928.68

Finding the Fourth Proportional to 304,789.46, 420,624.50 and 183,928.68

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Solution

The fourth proportional to 304,789.46, 420,624.50 and 183,928.68 is: 253,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,789.46 : 420,624.50 = 183,928.68 : x
  2. Step 2: Convert to fraction form
    304,789.46/420,624.50 = 183,928.68/x
  3. Step 3: Cross multiply
    304,789.46x = 420,624.50 × 183,928.68
  4. Step 4: Simplify right side
    304,789.46x = 77,364,908,141.02
  5. Step 5: Solve for x
    x = 77,364,908,141.02/304,789.46
  6. Step 6: Final answer
    x = 253,830.66

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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.