Home / 304,913.78-457,789.61-155,254.63

Finding the Fourth Proportional to 304,913.78, 457,789.61 and 155,254.63

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Solution

The fourth proportional to 304,913.78, 457,789.61 and 155,254.63 is: 233,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,913.78 : 457,789.61 = 155,254.63 : x
  2. Step 2: Convert to fraction form
    304,913.78/457,789.61 = 155,254.63/x
  3. Step 3: Cross multiply
    304,913.78x = 457,789.61 × 155,254.63
  4. Step 4: Simplify right side
    304,913.78x = 71,073,956,518.39
  5. Step 5: Solve for x
    x = 71,073,956,518.39/304,913.78
  6. Step 6: Final answer
    x = 233,095.26

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1.5x scale

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.