Home / 303,954.23-455,931.70-79,314.50

Finding the Fourth Proportional to 303,954.23, 455,931.70 and 79,314.50

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Solution

The fourth proportional to 303,954.23, 455,931.70 and 79,314.50 is: 118,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,954.23 : 455,931.70 = 79,314.50 : x
  2. Step 2: Convert to fraction form
    303,954.23/455,931.70 = 79,314.50/x
  3. Step 3: Cross multiply
    303,954.23x = 455,931.70 × 79,314.50
  4. Step 4: Simplify right side
    303,954.23x = 36,161,992,341.71
  5. Step 5: Solve for x
    x = 36,161,992,341.71/303,954.23
  6. Step 6: Final answer
    x = 118,971.84

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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.