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Finding the Fourth Proportional to 475,183.36, 712,626 and 155,262.28

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Solution

The fourth proportional to 475,183.36, 712,626 and 155,262.28 is: 232,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,183.36 : 712,626 = 155,262.28 : x
  2. Step 2: Convert to fraction form
    475,183.36/712,626 = 155,262.28/x
  3. Step 3: Cross multiply
    475,183.36x = 712,626 × 155,262.28
  4. Step 4: Simplify right side
    475,183.36x = 110,643,937,547.28
  5. Step 5: Solve for x
    x = 110,643,937,547.28/475,183.36
  6. Step 6: Final answer
    x = 232,844.72

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1.5x scale

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.