Home / 603,285.12-904,927.43-154,005.86

Finding the Fourth Proportional to 603,285.12, 904,927.43 and 154,005.86

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Solution

The fourth proportional to 603,285.12, 904,927.43 and 154,005.86 is: 231,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,285.12 : 904,927.43 = 154,005.86 : x
  2. Step 2: Convert to fraction form
    603,285.12/904,927.43 = 154,005.86/x
  3. Step 3: Cross multiply
    603,285.12x = 904,927.43 × 154,005.86
  4. Step 4: Simplify right side
    603,285.12x = 139,364,121,800.07
  5. Step 5: Solve for x
    x = 139,364,121,800.07/603,285.12
  6. Step 6: Final answer
    x = 231,008.72

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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.