Home / 349,730.60-523,386.30-209,589.80

Finding the Fourth Proportional to 349,730.60, 523,386.30 and 209,589.80

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Solution

The fourth proportional to 349,730.60, 523,386.30 and 209,589.80 is: 313,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,730.60 : 523,386.30 = 209,589.80 : x
  2. Step 2: Convert to fraction form
    349,730.60/523,386.30 = 209,589.80/x
  3. Step 3: Cross multiply
    349,730.60x = 523,386.30 × 209,589.80
  4. Step 4: Simplify right side
    349,730.60x = 109,696,429,939.74
  5. Step 5: Solve for x
    x = 109,696,429,939.74/349,730.60
  6. Step 6: Final answer
    x = 313,659.80

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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.