Home / 430,856.36-646,579.76-150,373.61

Finding the Fourth Proportional to 430,856.36, 646,579.76 and 150,373.61

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Solution

The fourth proportional to 430,856.36, 646,579.76 and 150,373.61 is: 225,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,856.36 : 646,579.76 = 150,373.61 : x
  2. Step 2: Convert to fraction form
    430,856.36/646,579.76 = 150,373.61/x
  3. Step 3: Cross multiply
    430,856.36x = 646,579.76 × 150,373.61
  4. Step 4: Simplify right side
    430,856.36x = 97,228,528,679.37
  5. Step 5: Solve for x
    x = 97,228,528,679.37/430,856.36
  6. Step 6: Final answer
    x = 225,663.44

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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.