Home / 309,017.04-462,732.84-214,112.40

Finding the Fourth Proportional to 309,017.04, 462,732.84 and 214,112.40

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Solution

The fourth proportional to 309,017.04, 462,732.84 and 214,112.40 is: 320,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,017.04 : 462,732.84 = 214,112.40 : x
  2. Step 2: Convert to fraction form
    309,017.04/462,732.84 = 214,112.40/x
  3. Step 3: Cross multiply
    309,017.04x = 462,732.84 × 214,112.40
  4. Step 4: Simplify right side
    309,017.04x = 99,076,838,931.22
  5. Step 5: Solve for x
    x = 99,076,838,931.22/309,017.04
  6. Step 6: Final answer
    x = 320,619.34

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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.