Home / 430,918.60-646,673.14-150,435.84

Finding the Fourth Proportional to 430,918.60, 646,673.14 and 150,435.84

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Solution

The fourth proportional to 430,918.60, 646,673.14 and 150,435.84 is: 225,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,918.60 : 646,673.14 = 150,435.84 : x
  2. Step 2: Convert to fraction form
    430,918.60/646,673.14 = 150,435.84/x
  3. Step 3: Cross multiply
    430,918.60x = 646,673.14 × 150,435.84
  4. Step 4: Simplify right side
    430,918.60x = 97,282,817,021.34
  5. Step 5: Solve for x
    x = 97,282,817,021.34/430,918.60
  6. Step 6: Final answer
    x = 225,756.83

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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.