Home / 369,919.16-510,433.69-224,649.40

Finding the Fourth Proportional to 369,919.16, 510,433.69 and 224,649.40

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Solution

The fourth proportional to 369,919.16, 510,433.69 and 224,649.40 is: 309,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,919.16 : 510,433.69 = 224,649.40 : x
  2. Step 2: Convert to fraction form
    369,919.16/510,433.69 = 224,649.40/x
  3. Step 3: Cross multiply
    369,919.16x = 510,433.69 × 224,649.40
  4. Step 4: Simplify right side
    369,919.16x = 114,668,622,198.29
  5. Step 5: Solve for x
    x = 114,668,622,198.29/369,919.16
  6. Step 6: Final answer
    x = 309,982.92

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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.