Home / 358,885.13-495,155.23-213,574.42

Finding the Fourth Proportional to 358,885.13, 495,155.23 and 213,574.42

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Solution

The fourth proportional to 358,885.13, 495,155.23 and 213,574.42 is: 294,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,885.13 : 495,155.23 = 213,574.42 : x
  2. Step 2: Convert to fraction form
    358,885.13/495,155.23 = 213,574.42/x
  3. Step 3: Cross multiply
    358,885.13x = 495,155.23 × 213,574.42
  4. Step 4: Simplify right side
    358,885.13x = 105,752,489,749.60
  5. Step 5: Solve for x
    x = 105,752,489,749.60/358,885.13
  6. Step 6: Final answer
    x = 294,669.47

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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.