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Finding the Fourth Proportional to 349,801.32, 524,435.28 and 109,776.78

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Solution

The fourth proportional to 349,801.32, 524,435.28 and 109,776.78 is: 164,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,801.32 : 524,435.28 = 109,776.78 : x
  2. Step 2: Convert to fraction form
    349,801.32/524,435.28 = 109,776.78/x
  3. Step 3: Cross multiply
    349,801.32x = 524,435.28 × 109,776.78
  4. Step 4: Simplify right side
    349,801.32x = 57,570,816,356.80
  5. Step 5: Solve for x
    x = 57,570,816,356.80/349,801.32
  6. Step 6: Final answer
    x = 164,581.47

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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.