Home / 346,125.24-520,017.30-221,709.24

Finding the Fourth Proportional to 346,125.24, 520,017.30 and 221,709.24

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Solution

The fourth proportional to 346,125.24, 520,017.30 and 221,709.24 is: 333,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,125.24 : 520,017.30 = 221,709.24 : x
  2. Step 2: Convert to fraction form
    346,125.24/520,017.30 = 221,709.24/x
  3. Step 3: Cross multiply
    346,125.24x = 520,017.30 × 221,709.24
  4. Step 4: Simplify right side
    346,125.24x = 115,292,640,369.85
  5. Step 5: Solve for x
    x = 115,292,640,369.85/346,125.24
  6. Step 6: Final answer
    x = 333,095.15

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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.