Home / 354,113.36-530,973.21-140,864.46

Finding the Fourth Proportional to 354,113.36, 530,973.21 and 140,864.46

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Solution

The fourth proportional to 354,113.36, 530,973.21 and 140,864.46 is: 211,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,113.36 : 530,973.21 = 140,864.46 : x
  2. Step 2: Convert to fraction form
    354,113.36/530,973.21 = 140,864.46/x
  3. Step 3: Cross multiply
    354,113.36x = 530,973.21 × 140,864.46
  4. Step 4: Simplify right side
    354,113.36x = 74,795,254,501.12
  5. Step 5: Solve for x
    x = 74,795,254,501.12/354,113.36
  6. Step 6: Final answer
    x = 211,218.39

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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.