Home / 470,828.20-705,983.10-155,122.60

Finding the Fourth Proportional to 470,828.20, 705,983.10 and 155,122.60

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Solution

The fourth proportional to 470,828.20, 705,983.10 and 155,122.60 is: 232,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,828.20 : 705,983.10 = 155,122.60 : x
  2. Step 2: Convert to fraction form
    470,828.20/705,983.10 = 155,122.60/x
  3. Step 3: Cross multiply
    470,828.20x = 705,983.10 × 155,122.60
  4. Step 4: Simplify right side
    470,828.20x = 109,513,934,028.06
  5. Step 5: Solve for x
    x = 109,513,934,028.06/470,828.20
  6. Step 6: Final answer
    x = 232,598.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.