Home / 304,931.34-457,816-155,272.22

Finding the Fourth Proportional to 304,931.34, 457,816 and 155,272.22

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Solution

The fourth proportional to 304,931.34, 457,816 and 155,272.22 is: 233,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,931.34 : 457,816 = 155,272.22 : x
  2. Step 2: Convert to fraction form
    304,931.34/457,816 = 155,272.22/x
  3. Step 3: Cross multiply
    304,931.34x = 457,816 × 155,272.22
  4. Step 4: Simplify right side
    304,931.34x = 71,086,106,671.52
  5. Step 5: Solve for x
    x = 71,086,106,671.52/304,931.34
  6. Step 6: Final answer
    x = 233,121.68

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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.