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Finding the Fourth Proportional to 473,631.82, 653,604.28 and 258,767.28

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Solution

The fourth proportional to 473,631.82, 653,604.28 and 258,767.28 is: 357,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,631.82 : 653,604.28 = 258,767.28 : x
  2. Step 2: Convert to fraction form
    473,631.82/653,604.28 = 258,767.28/x
  3. Step 3: Cross multiply
    473,631.82x = 653,604.28 × 258,767.28
  4. Step 4: Simplify right side
    473,631.82x = 169,131,401,085.04
  5. Step 5: Solve for x
    x = 169,131,401,085.04/473,631.82
  6. Step 6: Final answer
    x = 357,094.68

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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.