Home / 283,046.04-390,594.06-155,720.52

Finding the Fourth Proportional to 283,046.04, 390,594.06 and 155,720.52

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Solution

The fourth proportional to 283,046.04, 390,594.06 and 155,720.52 is: 214,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,046.04 : 390,594.06 = 155,720.52 : x
  2. Step 2: Convert to fraction form
    283,046.04/390,594.06 = 155,720.52/x
  3. Step 3: Cross multiply
    283,046.04x = 390,594.06 × 155,720.52
  4. Step 4: Simplify right side
    283,046.04x = 60,823,510,132.11
  5. Step 5: Solve for x
    x = 60,823,510,132.11/283,046.04
  6. Step 6: Final answer
    x = 214,889.10

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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.