Home / 369,981.43-510,574.36-200,215.55

Finding the Fourth Proportional to 369,981.43, 510,574.36 and 200,215.55

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Solution

The fourth proportional to 369,981.43, 510,574.36 and 200,215.55 is: 276,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,981.43 : 510,574.36 = 200,215.55 : x
  2. Step 2: Convert to fraction form
    369,981.43/510,574.36 = 200,215.55/x
  3. Step 3: Cross multiply
    369,981.43x = 510,574.36 × 200,215.55
  4. Step 4: Simplify right side
    369,981.43x = 102,224,927,454.60
  5. Step 5: Solve for x
    x = 102,224,927,454.60/369,981.43
  6. Step 6: Final answer
    x = 276,297.46

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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.