Home / 242,835.40-334,968.06-189,035.20

Finding the Fourth Proportional to 242,835.40, 334,968.06 and 189,035.20

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Solution

The fourth proportional to 242,835.40, 334,968.06 and 189,035.20 is: 260,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,835.40 : 334,968.06 = 189,035.20 : x
  2. Step 2: Convert to fraction form
    242,835.40/334,968.06 = 189,035.20/x
  3. Step 3: Cross multiply
    242,835.40x = 334,968.06 × 189,035.20
  4. Step 4: Simplify right side
    242,835.40x = 63,320,754,215.71
  5. Step 5: Solve for x
    x = 63,320,754,215.71/242,835.40
  6. Step 6: Final answer
    x = 260,755.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.