Home / 340,301.47-469,607.75-187,338.42

Finding the Fourth Proportional to 340,301.47, 469,607.75 and 187,338.42

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Solution

The fourth proportional to 340,301.47, 469,607.75 and 187,338.42 is: 258,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,301.47 : 469,607.75 = 187,338.42 : x
  2. Step 2: Convert to fraction form
    340,301.47/469,607.75 = 187,338.42/x
  3. Step 3: Cross multiply
    340,301.47x = 469,607.75 × 187,338.42
  4. Step 4: Simplify right side
    340,301.47x = 87,975,573,904.76
  5. Step 5: Solve for x
    x = 87,975,573,904.76/340,301.47
  6. Step 6: Final answer
    x = 258,522.46

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1.5x scale

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.