Home / 329,834.40-455,172.34-178,931.40

Finding the Fourth Proportional to 329,834.40, 455,172.34 and 178,931.40

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Solution

The fourth proportional to 329,834.40, 455,172.34 and 178,931.40 is: 246,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,834.40 : 455,172.34 = 178,931.40 : x
  2. Step 2: Convert to fraction form
    329,834.40/455,172.34 = 178,931.40/x
  3. Step 3: Cross multiply
    329,834.40x = 455,172.34 × 178,931.40
  4. Step 4: Simplify right side
    329,834.40x = 81,444,624,037.48
  5. Step 5: Solve for x
    x = 81,444,624,037.48/329,834.40
  6. Step 6: Final answer
    x = 246,925.80

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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.