Home / 401,030.50-553,422.21-239,892.34

Finding the Fourth Proportional to 401,030.50, 553,422.21 and 239,892.34

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Solution

The fourth proportional to 401,030.50, 553,422.21 and 239,892.34 is: 331,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,030.50 : 553,422.21 = 239,892.34 : x
  2. Step 2: Convert to fraction form
    401,030.50/553,422.21 = 239,892.34/x
  3. Step 3: Cross multiply
    401,030.50x = 553,422.21 × 239,892.34
  4. Step 4: Simplify right side
    401,030.50x = 132,761,748,964.87
  5. Step 5: Solve for x
    x = 132,761,748,964.87/401,030.50
  6. Step 6: Final answer
    x = 331,051.50

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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.