Home / 346,819.10-520,017.45-136,204.70

Finding the Fourth Proportional to 346,819.10, 520,017.45 and 136,204.70

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Solution

The fourth proportional to 346,819.10, 520,017.45 and 136,204.70 is: 204,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,819.10 : 520,017.45 = 136,204.70 : x
  2. Step 2: Convert to fraction form
    346,819.10/520,017.45 = 136,204.70/x
  3. Step 3: Cross multiply
    346,819.10x = 520,017.45 × 136,204.70
  4. Step 4: Simplify right side
    346,819.10x = 70,828,820,772.02
  5. Step 5: Solve for x
    x = 70,828,820,772.02/346,819.10
  6. Step 6: Final answer
    x = 204,224.11

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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.