Home / 356,189.04-534,199.68-103,402.80

Finding the Fourth Proportional to 356,189.04, 534,199.68 and 103,402.80

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Solution

The fourth proportional to 356,189.04, 534,199.68 and 103,402.80 is: 155,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,189.04 : 534,199.68 = 103,402.80 : x
  2. Step 2: Convert to fraction form
    356,189.04/534,199.68 = 103,402.80/x
  3. Step 3: Cross multiply
    356,189.04x = 534,199.68 × 103,402.80
  4. Step 4: Simplify right side
    356,189.04x = 55,237,742,671.10
  5. Step 5: Solve for x
    x = 55,237,742,671.10/356,189.04
  6. Step 6: Final answer
    x = 155,079.85

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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.