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Finding the Fourth Proportional to 346,327.83, 520,280.07 and 250,560.51

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Solution

The fourth proportional to 346,327.83, 520,280.07 and 250,560.51 is: 376,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,327.83 : 520,280.07 = 250,560.51 : x
  2. Step 2: Convert to fraction form
    346,327.83/520,280.07 = 250,560.51/x
  3. Step 3: Cross multiply
    346,327.83x = 520,280.07 × 250,560.51
  4. Step 4: Simplify right side
    346,327.83x = 130,361,639,682.04
  5. Step 5: Solve for x
    x = 130,361,639,682.04/346,327.83
  6. Step 6: Final answer
    x = 376,411.10

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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.