Home / 340,784.79-470,283.03-197,627.87

Finding the Fourth Proportional to 340,784.79, 470,283.03 and 197,627.87

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Solution

The fourth proportional to 340,784.79, 470,283.03 and 197,627.87 is: 272,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,784.79 : 470,283.03 = 197,627.87 : x
  2. Step 2: Convert to fraction form
    340,784.79/470,283.03 = 197,627.87/x
  3. Step 3: Cross multiply
    340,784.79x = 470,283.03 × 197,627.87
  4. Step 4: Simplify right side
    340,784.79x = 92,941,031,164.63
  5. Step 5: Solve for x
    x = 92,941,031,164.63/340,784.79
  6. Step 6: Final answer
    x = 272,726.47

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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.