Home / 340,347.60-470,327.40-255,317.04

Finding the Fourth Proportional to 340,347.60, 470,327.40 and 255,317.04

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Solution

The fourth proportional to 340,347.60, 470,327.40 and 255,317.04 is: 352,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,347.60 : 470,327.40 = 255,317.04 : x
  2. Step 2: Convert to fraction form
    340,347.60/470,327.40 = 255,317.04/x
  3. Step 3: Cross multiply
    340,347.60x = 470,327.40 × 255,317.04
  4. Step 4: Simplify right side
    340,347.60x = 120,082,599,598.90
  5. Step 5: Solve for x
    x = 120,082,599,598.90/340,347.60
  6. Step 6: Final answer
    x = 352,823.41

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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.