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Finding the Fourth Proportional to 298,079.88, 411,398.16 and 175,592.04

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Solution

The fourth proportional to 298,079.88, 411,398.16 and 175,592.04 is: 242,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,079.88 : 411,398.16 = 175,592.04 : x
  2. Step 2: Convert to fraction form
    298,079.88/411,398.16 = 175,592.04/x
  3. Step 3: Cross multiply
    298,079.88x = 411,398.16 × 175,592.04
  4. Step 4: Simplify right side
    298,079.88x = 72,238,242,166.65
  5. Step 5: Solve for x
    x = 72,238,242,166.65/298,079.88
  6. Step 6: Final answer
    x = 242,345.25

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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.