Home / 464,946.08-641,646.90-258,215.41

Finding the Fourth Proportional to 464,946.08, 641,646.90 and 258,215.41

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Solution

The fourth proportional to 464,946.08, 641,646.90 and 258,215.41 is: 356,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,946.08 : 641,646.90 = 258,215.41 : x
  2. Step 2: Convert to fraction form
    464,946.08/641,646.90 = 258,215.41/x
  3. Step 3: Cross multiply
    464,946.08x = 641,646.90 × 258,215.41
  4. Step 4: Simplify right side
    464,946.08x = 165,683,117,192.48
  5. Step 5: Solve for x
    x = 165,683,117,192.48/464,946.08
  6. Step 6: Final answer
    x = 356,349.10

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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.