Home / 470,977.05-706,366.69-155,360.01

Finding the Fourth Proportional to 470,977.05, 706,366.69 and 155,360.01

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Solution

The fourth proportional to 470,977.05, 706,366.69 and 155,360.01 is: 233,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,977.05 : 706,366.69 = 155,360.01 : x
  2. Step 2: Convert to fraction form
    470,977.05/706,366.69 = 155,360.01/x
  3. Step 3: Cross multiply
    470,977.05x = 706,366.69 × 155,360.01
  4. Step 4: Simplify right side
    470,977.05x = 109,741,135,633.67
  5. Step 5: Solve for x
    x = 109,741,135,633.67/470,977.05
  6. Step 6: Final answer
    x = 233,007.40

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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.