Home / 430,305.13-593,828.72-239,318.61

Finding the Fourth Proportional to 430,305.13, 593,828.72 and 239,318.61

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Solution

The fourth proportional to 430,305.13, 593,828.72 and 239,318.61 is: 330,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,305.13 : 593,828.72 = 239,318.61 : x
  2. Step 2: Convert to fraction form
    430,305.13/593,828.72 = 239,318.61/x
  3. Step 3: Cross multiply
    430,305.13x = 593,828.72 × 239,318.61
  4. Step 4: Simplify right side
    430,305.13x = 142,114,263,848.48
  5. Step 5: Solve for x
    x = 142,114,263,848.48/430,305.13
  6. Step 6: Final answer
    x = 330,263.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.