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Finding the Fourth Proportional to 344,124.48, 474,967.69 and 191,215.22

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Solution

The fourth proportional to 344,124.48, 474,967.69 and 191,215.22 is: 263,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,124.48 : 474,967.69 = 191,215.22 : x
  2. Step 2: Convert to fraction form
    344,124.48/474,967.69 = 191,215.22/x
  3. Step 3: Cross multiply
    344,124.48x = 474,967.69 × 191,215.22
  4. Step 4: Simplify right side
    344,124.48x = 90,821,048,483.37
  5. Step 5: Solve for x
    x = 90,821,048,483.37/344,124.48
  6. Step 6: Final answer
    x = 263,919.17

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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.