Home / 375,667.22-518,487.34-284,870.10

Finding the Fourth Proportional to 375,667.22, 518,487.34 and 284,870.10

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Solution

The fourth proportional to 375,667.22, 518,487.34 and 284,870.10 is: 393,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,667.22 : 518,487.34 = 284,870.10 : x
  2. Step 2: Convert to fraction form
    375,667.22/518,487.34 = 284,870.10/x
  3. Step 3: Cross multiply
    375,667.22x = 518,487.34 × 284,870.10
  4. Step 4: Simplify right side
    375,667.22x = 147,701,540,394.53
  5. Step 5: Solve for x
    x = 147,701,540,394.53/375,667.22
  6. Step 6: Final answer
    x = 393,171.22

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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.