Home / 340,788.80-470,287.01-185,739.83

Finding the Fourth Proportional to 340,788.80, 470,287.01 and 185,739.83

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Solution

The fourth proportional to 340,788.80, 470,287.01 and 185,739.83 is: 256,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,788.80 : 470,287.01 = 185,739.83 : x
  2. Step 2: Convert to fraction form
    340,788.80/470,287.01 = 185,739.83/x
  3. Step 3: Cross multiply
    340,788.80x = 470,287.01 × 185,739.83
  4. Step 4: Simplify right side
    340,788.80x = 87,351,031,810.46
  5. Step 5: Solve for x
    x = 87,351,031,810.46/340,788.80
  6. Step 6: Final answer
    x = 256,320.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.