Home / 262,001.20-393,293.40-143,903.20

Finding the Fourth Proportional to 262,001.20, 393,293.40 and 143,903.20

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Solution

The fourth proportional to 262,001.20, 393,293.40 and 143,903.20 is: 216,014.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,001.20 : 393,293.40 = 143,903.20 : x
  2. Step 2: Convert to fraction form
    262,001.20/393,293.40 = 143,903.20/x
  3. Step 3: Cross multiply
    262,001.20x = 393,293.40 × 143,903.20
  4. Step 4: Simplify right side
    262,001.20x = 56,596,178,798.88
  5. Step 5: Solve for x
    x = 56,596,178,798.88/262,001.20
  6. Step 6: Final answer
    x = 216,014.96

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1.5x scale

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.