Home / 603,215.10-904,822.05-153,935.97

Finding the Fourth Proportional to 603,215.10, 904,822.05 and 153,935.97

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Solution

The fourth proportional to 603,215.10, 904,822.05 and 153,935.97 is: 230,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,215.10 : 904,822.05 = 153,935.97 : x
  2. Step 2: Convert to fraction form
    603,215.10/904,822.05 = 153,935.97/x
  3. Step 3: Cross multiply
    603,215.10x = 904,822.05 × 153,935.97
  4. Step 4: Simplify right side
    603,215.10x = 139,284,659,944.14
  5. Step 5: Solve for x
    x = 139,284,659,944.14/603,215.10
  6. Step 6: Final answer
    x = 230,903.80

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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.