Home / 495,064.16-683,189.36-268,709.76

Finding the Fourth Proportional to 495,064.16, 683,189.36 and 268,709.76

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Solution

The fourth proportional to 495,064.16, 683,189.36 and 268,709.76 is: 370,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,064.16 : 683,189.36 = 268,709.76 : x
  2. Step 2: Convert to fraction form
    495,064.16/683,189.36 = 268,709.76/x
  3. Step 3: Cross multiply
    495,064.16x = 683,189.36 × 268,709.76
  4. Step 4: Simplify right side
    495,064.16x = 183,579,648,960.15
  5. Step 5: Solve for x
    x = 183,579,648,960.15/495,064.16
  6. Step 6: Final answer
    x = 370,819.91

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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.