Home / 346,829.31-520,285.61-122,143.28

Finding the Fourth Proportional to 346,829.31, 520,285.61 and 122,143.28

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Solution

The fourth proportional to 346,829.31, 520,285.61 and 122,143.28 is: 183,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,829.31 : 520,285.61 = 122,143.28 : x
  2. Step 2: Convert to fraction form
    346,829.31/520,285.61 = 122,143.28/x
  3. Step 3: Cross multiply
    346,829.31x = 520,285.61 × 122,143.28
  4. Step 4: Simplify right side
    346,829.31x = 63,549,387,730.06
  5. Step 5: Solve for x
    x = 63,549,387,730.06/346,829.31
  6. Step 6: Final answer
    x = 183,229.58

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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.