Home / 464,114.17-640,466.02-257,381.36

Finding the Fourth Proportional to 464,114.17, 640,466.02 and 257,381.36

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Solution

The fourth proportional to 464,114.17, 640,466.02 and 257,381.36 is: 355,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,114.17 : 640,466.02 = 257,381.36 : x
  2. Step 2: Convert to fraction form
    464,114.17/640,466.02 = 257,381.36/x
  3. Step 3: Cross multiply
    464,114.17x = 640,466.02 × 257,381.36
  4. Step 4: Simplify right side
    464,114.17x = 164,844,014,782.53
  5. Step 5: Solve for x
    x = 164,844,014,782.53/464,114.17
  6. Step 6: Final answer
    x = 355,179.88

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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.