Home / 346,732.10-520,099.77-147,002.30

Finding the Fourth Proportional to 346,732.10, 520,099.77 and 147,002.30

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Solution

The fourth proportional to 346,732.10, 520,099.77 and 147,002.30 is: 220,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,732.10 : 520,099.77 = 147,002.30 : x
  2. Step 2: Convert to fraction form
    346,732.10/520,099.77 = 147,002.30/x
  3. Step 3: Cross multiply
    346,732.10x = 520,099.77 × 147,002.30
  4. Step 4: Simplify right side
    346,732.10x = 76,455,862,419.47
  5. Step 5: Solve for x
    x = 76,455,862,419.47/346,732.10
  6. Step 6: Final answer
    x = 220,504.14

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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.