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Finding the Fourth Proportional to 370,609.56, 510,875.10 and 227,103.48

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Solution

The fourth proportional to 370,609.56, 510,875.10 and 227,103.48 is: 313,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,609.56 : 510,875.10 = 227,103.48 : x
  2. Step 2: Convert to fraction form
    370,609.56/510,875.10 = 227,103.48/x
  3. Step 3: Cross multiply
    370,609.56x = 510,875.10 × 227,103.48
  4. Step 4: Simplify right side
    370,609.56x = 116,021,513,055.35
  5. Step 5: Solve for x
    x = 116,021,513,055.35/370,609.56
  6. Step 6: Final answer
    x = 313,055.91

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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.