Home / 296,513.10-444,660.30-128,041.20

Finding the Fourth Proportional to 296,513.10, 444,660.30 and 128,041.20

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Solution

The fourth proportional to 296,513.10, 444,660.30 and 128,041.20 is: 192,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,513.10 : 444,660.30 = 128,041.20 : x
  2. Step 2: Convert to fraction form
    296,513.10/444,660.30 = 128,041.20/x
  3. Step 3: Cross multiply
    296,513.10x = 444,660.30 × 128,041.20
  4. Step 4: Simplify right side
    296,513.10x = 56,934,838,404.36
  5. Step 5: Solve for x
    x = 56,934,838,404.36/296,513.10
  6. Step 6: Final answer
    x = 192,014.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.