Home / 369,981.28-510,574.14-200,215.40

Finding the Fourth Proportional to 369,981.28, 510,574.14 and 200,215.40

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Solution

The fourth proportional to 369,981.28, 510,574.14 and 200,215.40 is: 276,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,981.28 : 510,574.14 = 200,215.40 : x
  2. Step 2: Convert to fraction form
    369,981.28/510,574.14 = 200,215.40/x
  3. Step 3: Cross multiply
    369,981.28x = 510,574.14 × 200,215.40
  4. Step 4: Simplify right side
    369,981.28x = 102,224,805,669.76
  5. Step 5: Solve for x
    x = 102,224,805,669.76/369,981.28
  6. Step 6: Final answer
    x = 276,297.24

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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.