Home / 283,001.58-390,542.13-169,824.42

Finding the Fourth Proportional to 283,001.58, 390,542.13 and 169,824.42

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Solution

The fourth proportional to 283,001.58, 390,542.13 and 169,824.42 is: 234,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,001.58 : 390,542.13 = 169,824.42 : x
  2. Step 2: Convert to fraction form
    283,001.58/390,542.13 = 169,824.42/x
  3. Step 3: Cross multiply
    283,001.58x = 390,542.13 × 169,824.42
  4. Step 4: Simplify right side
    283,001.58x = 66,323,590,712.81
  5. Step 5: Solve for x
    x = 66,323,590,712.81/283,001.58
  6. Step 6: Final answer
    x = 234,357.67

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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.