Home / 340,320.11-469,843.91-302,486.22

Finding the Fourth Proportional to 340,320.11, 469,843.91 and 302,486.22

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Solution

The fourth proportional to 340,320.11, 469,843.91 and 302,486.22 is: 417,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,320.11 : 469,843.91 = 302,486.22 : x
  2. Step 2: Convert to fraction form
    340,320.11/469,843.91 = 302,486.22/x
  3. Step 3: Cross multiply
    340,320.11x = 469,843.91 × 302,486.22
  4. Step 4: Simplify right side
    340,320.11x = 142,121,307,947.81
  5. Step 5: Solve for x
    x = 142,121,307,947.81/340,320.11
  6. Step 6: Final answer
    x = 417,610.67

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1.5x scale

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.