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Finding the Fourth Proportional to 298,435.04, 447,652.60 and 101,443.04

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Solution

The fourth proportional to 298,435.04, 447,652.60 and 101,443.04 is: 152,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,435.04 : 447,652.60 = 101,443.04 : x
  2. Step 2: Convert to fraction form
    298,435.04/447,652.60 = 101,443.04/x
  3. Step 3: Cross multiply
    298,435.04x = 447,652.60 × 101,443.04
  4. Step 4: Simplify right side
    298,435.04x = 45,411,240,607.90
  5. Step 5: Solve for x
    x = 45,411,240,607.90/298,435.04
  6. Step 6: Final answer
    x = 152,164.57

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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.