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Finding the Fourth Proportional to 245,914.60, 368,885.06 and 77,448.04

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Solution

The fourth proportional to 245,914.60, 368,885.06 and 77,448.04 is: 116,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,914.60 : 368,885.06 = 77,448.04 : x
  2. Step 2: Convert to fraction form
    245,914.60/368,885.06 = 77,448.04/x
  3. Step 3: Cross multiply
    245,914.60x = 368,885.06 × 77,448.04
  4. Step 4: Simplify right side
    245,914.60x = 28,569,426,373.88
  5. Step 5: Solve for x
    x = 28,569,426,373.88/245,914.60
  6. Step 6: Final answer
    x = 116,176.21

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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.