Home / 291,669.30-437,601.15-142,002.90

Finding the Fourth Proportional to 291,669.30, 437,601.15 and 142,002.90

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Solution

The fourth proportional to 291,669.30, 437,601.15 and 142,002.90 is: 213,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,669.30 : 437,601.15 = 142,002.90 : x
  2. Step 2: Convert to fraction form
    291,669.30/437,601.15 = 142,002.90/x
  3. Step 3: Cross multiply
    291,669.30x = 437,601.15 × 142,002.90
  4. Step 4: Simplify right side
    291,669.30x = 62,140,632,343.34
  5. Step 5: Solve for x
    x = 62,140,632,343.34/291,669.30
  6. Step 6: Final answer
    x = 213,051.67

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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.