Home / 346,972.58-520,389.16-122,342.16

Finding the Fourth Proportional to 346,972.58, 520,389.16 and 122,342.16

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Solution

The fourth proportional to 346,972.58, 520,389.16 and 122,342.16 is: 183,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,972.58 : 520,389.16 = 122,342.16 : x
  2. Step 2: Convert to fraction form
    346,972.58/520,389.16 = 122,342.16/x
  3. Step 3: Cross multiply
    346,972.58x = 520,389.16 × 122,342.16
  4. Step 4: Simplify right side
    346,972.58x = 63,665,535,520.59
  5. Step 5: Solve for x
    x = 63,665,535,520.59/346,972.58
  6. Step 6: Final answer
    x = 183,488.67

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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.