Home / 380,371.57-570,664.01-152,826.98

Finding the Fourth Proportional to 380,371.57, 570,664.01 and 152,826.98

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Solution

The fourth proportional to 380,371.57, 570,664.01 and 152,826.98 is: 229,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,371.57 : 570,664.01 = 152,826.98 : x
  2. Step 2: Convert to fraction form
    380,371.57/570,664.01 = 152,826.98/x
  3. Step 3: Cross multiply
    380,371.57x = 570,664.01 × 152,826.98
  4. Step 4: Simplify right side
    380,371.57x = 87,212,854,771.74
  5. Step 5: Solve for x
    x = 87,212,854,771.74/380,371.57
  6. Step 6: Final answer
    x = 229,283.32

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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.