Home / 289,036.04-432,992.97-212,996.55

Finding the Fourth Proportional to 289,036.04, 432,992.97 and 212,996.55

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Solution

The fourth proportional to 289,036.04, 432,992.97 and 212,996.55 is: 319,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,036.04 : 432,992.97 = 212,996.55 : x
  2. Step 2: Convert to fraction form
    289,036.04/432,992.97 = 212,996.55/x
  3. Step 3: Cross multiply
    289,036.04x = 432,992.97 × 212,996.55
  4. Step 4: Simplify right side
    289,036.04x = 92,226,008,784.25
  5. Step 5: Solve for x
    x = 92,226,008,784.25/289,036.04
  6. Step 6: Final answer
    x = 319,081.35

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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.