Home / 242,826.48-363,552.86-128,714.28

Finding the Fourth Proportional to 242,826.48, 363,552.86 and 128,714.28

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Solution

The fourth proportional to 242,826.48, 363,552.86 and 128,714.28 is: 192,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,826.48 : 363,552.86 = 128,714.28 : x
  2. Step 2: Convert to fraction form
    242,826.48/363,552.86 = 128,714.28/x
  3. Step 3: Cross multiply
    242,826.48x = 363,552.86 × 128,714.28
  4. Step 4: Simplify right side
    242,826.48x = 46,794,444,616.84
  5. Step 5: Solve for x
    x = 46,794,444,616.84/242,826.48
  6. Step 6: Final answer
    x = 192,707.34

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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.