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Finding the Fourth Proportional to 433,318.84, 598,130.30 and 297,801.38

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Solution

The fourth proportional to 433,318.84, 598,130.30 and 297,801.38 is: 411,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,318.84 : 598,130.30 = 297,801.38 : x
  2. Step 2: Convert to fraction form
    433,318.84/598,130.30 = 297,801.38/x
  3. Step 3: Cross multiply
    433,318.84x = 598,130.30 × 297,801.38
  4. Step 4: Simplify right side
    433,318.84x = 178,124,030,999.64
  5. Step 5: Solve for x
    x = 178,124,030,999.64/433,318.84
  6. Step 6: Final answer
    x = 411,069.21

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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.