Home / 603,288.47-904,931.66-154,009.28

Finding the Fourth Proportional to 603,288.47, 904,931.66 and 154,009.28

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Solution

The fourth proportional to 603,288.47, 904,931.66 and 154,009.28 is: 231,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,288.47 : 904,931.66 = 154,009.28 : x
  2. Step 2: Convert to fraction form
    603,288.47/904,931.66 = 154,009.28/x
  3. Step 3: Cross multiply
    603,288.47x = 904,931.66 × 154,009.28
  4. Step 4: Simplify right side
    603,288.47x = 139,367,876,053.16
  5. Step 5: Solve for x
    x = 139,367,876,053.16/603,288.47
  6. Step 6: Final answer
    x = 231,013.66

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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.