Home / 369,981.64-510,576.23-200,215.76

Finding the Fourth Proportional to 369,981.64, 510,576.23 and 200,215.76

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Solution

The fourth proportional to 369,981.64, 510,576.23 and 200,215.76 is: 276,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,981.64 : 510,576.23 = 200,215.76 : x
  2. Step 2: Convert to fraction form
    369,981.64/510,576.23 = 200,215.76/x
  3. Step 3: Cross multiply
    369,981.64x = 510,576.23 × 200,215.76
  4. Step 4: Simplify right side
    369,981.64x = 102,225,407,927.39
  5. Step 5: Solve for x
    x = 102,225,407,927.39/369,981.64
  6. Step 6: Final answer
    x = 276,298.60

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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.