Home / 356,146.07-534,246.89-103,430.70

Finding the Fourth Proportional to 356,146.07, 534,246.89 and 103,430.70

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Solution

The fourth proportional to 356,146.07, 534,246.89 and 103,430.70 is: 155,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,146.07 : 534,246.89 = 103,430.70 : x
  2. Step 2: Convert to fraction form
    356,146.07/534,246.89 = 103,430.70/x
  3. Step 3: Cross multiply
    356,146.07x = 534,246.89 × 103,430.70
  4. Step 4: Simplify right side
    356,146.07x = 55,257,529,288.37
  5. Step 5: Solve for x
    x = 55,257,529,288.37/356,146.07
  6. Step 6: Final answer
    x = 155,154.12

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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.