Home / 309,002.14-463,386.57-142,673.50

Finding the Fourth Proportional to 309,002.14, 463,386.57 and 142,673.50

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Solution

The fourth proportional to 309,002.14, 463,386.57 and 142,673.50 is: 213,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,002.14 : 463,386.57 = 142,673.50 : x
  2. Step 2: Convert to fraction form
    309,002.14/463,386.57 = 142,673.50/x
  3. Step 3: Cross multiply
    309,002.14x = 463,386.57 × 142,673.50
  4. Step 4: Simplify right side
    309,002.14x = 66,112,983,794.90
  5. Step 5: Solve for x
    x = 66,112,983,794.90/309,002.14
  6. Step 6: Final answer
    x = 213,956.39

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1.5x scale

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.