Home / 347,835.10-521,752.65-214,282.30

Finding the Fourth Proportional to 347,835.10, 521,752.65 and 214,282.30

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Solution

The fourth proportional to 347,835.10, 521,752.65 and 214,282.30 is: 321,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,835.10 : 521,752.65 = 214,282.30 : x
  2. Step 2: Convert to fraction form
    347,835.10/521,752.65 = 214,282.30/x
  3. Step 3: Cross multiply
    347,835.10x = 521,752.65 × 214,282.30
  4. Step 4: Simplify right side
    347,835.10x = 111,802,357,873.10
  5. Step 5: Solve for x
    x = 111,802,357,873.10/347,835.10
  6. Step 6: Final answer
    x = 321,423.45

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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.