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Finding the Fourth Proportional to 380,337.66, 524,982.60 and 219,299.94

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Solution

The fourth proportional to 380,337.66, 524,982.60 and 219,299.94 is: 302,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,337.66 : 524,982.60 = 219,299.94 : x
  2. Step 2: Convert to fraction form
    380,337.66/524,982.60 = 219,299.94/x
  3. Step 3: Cross multiply
    380,337.66x = 524,982.60 × 219,299.94
  4. Step 4: Simplify right side
    380,337.66x = 115,128,652,681.04
  5. Step 5: Solve for x
    x = 115,128,652,681.04/380,337.66
  6. Step 6: Final answer
    x = 302,701.16

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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.