Home / 369,985.57-510,581.37-200,219.65

Finding the Fourth Proportional to 369,985.57, 510,581.37 and 200,219.65

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Solution

The fourth proportional to 369,985.57, 510,581.37 and 200,219.65 is: 276,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,985.57 : 510,581.37 = 200,219.65 : x
  2. Step 2: Convert to fraction form
    369,985.57/510,581.37 = 200,219.65/x
  3. Step 3: Cross multiply
    369,985.57x = 510,581.37 × 200,219.65
  4. Step 4: Simplify right side
    369,985.57x = 102,228,423,197.92
  5. Step 5: Solve for x
    x = 102,228,423,197.92/369,985.57
  6. Step 6: Final answer
    x = 276,303.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.