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Finding the Fourth Proportional to 358,671.36, 495,302.40 and 224,768.64

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Solution

The fourth proportional to 358,671.36, 495,302.40 and 224,768.64 is: 310,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,671.36 : 495,302.40 = 224,768.64 : x
  2. Step 2: Convert to fraction form
    358,671.36/495,302.40 = 224,768.64/x
  3. Step 3: Cross multiply
    358,671.36x = 495,302.40 × 224,768.64
  4. Step 4: Simplify right side
    358,671.36x = 111,328,446,836.74
  5. Step 5: Solve for x
    x = 111,328,446,836.74/358,671.36
  6. Step 6: Final answer
    x = 310,391.24

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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.