Home / 379,688.27-524,101.65-218,607.51

Finding the Fourth Proportional to 379,688.27, 524,101.65 and 218,607.51

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Solution

The fourth proportional to 379,688.27, 524,101.65 and 218,607.51 is: 301,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,688.27 : 524,101.65 = 218,607.51 : x
  2. Step 2: Convert to fraction form
    379,688.27/524,101.65 = 218,607.51/x
  3. Step 3: Cross multiply
    379,688.27x = 524,101.65 × 218,607.51
  4. Step 4: Simplify right side
    379,688.27x = 114,572,556,693.39
  5. Step 5: Solve for x
    x = 114,572,556,693.39/379,688.27
  6. Step 6: Final answer
    x = 301,754.27

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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.