Home / 346,960.36-478,752.42-196,002.28

Finding the Fourth Proportional to 346,960.36, 478,752.42 and 196,002.28

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Solution

The fourth proportional to 346,960.36, 478,752.42 and 196,002.28 is: 270,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,960.36 : 478,752.42 = 196,002.28 : x
  2. Step 2: Convert to fraction form
    346,960.36/478,752.42 = 196,002.28/x
  3. Step 3: Cross multiply
    346,960.36x = 478,752.42 × 196,002.28
  4. Step 4: Simplify right side
    346,960.36x = 93,836,565,875.52
  5. Step 5: Solve for x
    x = 93,836,565,875.52/346,960.36
  6. Step 6: Final answer
    x = 270,453.28

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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.