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Finding the Fourth Proportional to 336,547.54, 464,421.90 and 185,644.54

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Solution

The fourth proportional to 336,547.54, 464,421.90 and 185,644.54 is: 256,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,547.54 : 464,421.90 = 185,644.54 : x
  2. Step 2: Convert to fraction form
    336,547.54/464,421.90 = 185,644.54/x
  3. Step 3: Cross multiply
    336,547.54x = 464,421.90 × 185,644.54
  4. Step 4: Simplify right side
    336,547.54x = 86,217,389,991.43
  5. Step 5: Solve for x
    x = 86,217,389,991.43/336,547.54
  6. Step 6: Final answer
    x = 256,181.91

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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.