Home / 515,973.64-773,964.78-142,017.16

Finding the Fourth Proportional to 515,973.64, 773,964.78 and 142,017.16

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Solution

The fourth proportional to 515,973.64, 773,964.78 and 142,017.16 is: 213,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,973.64 : 773,964.78 = 142,017.16 : x
  2. Step 2: Convert to fraction form
    515,973.64/773,964.78 = 142,017.16/x
  3. Step 3: Cross multiply
    515,973.64x = 773,964.78 × 142,017.16
  4. Step 4: Simplify right side
    515,973.64x = 109,916,279,995.63
  5. Step 5: Solve for x
    x = 109,916,279,995.63/515,973.64
  6. Step 6: Final answer
    x = 213,026.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.