Home / 389,744.13-537,848.51-210,896.13

Finding the Fourth Proportional to 389,744.13, 537,848.51 and 210,896.13

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Solution

The fourth proportional to 389,744.13, 537,848.51 and 210,896.13 is: 291,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,744.13 : 537,848.51 = 210,896.13 : x
  2. Step 2: Convert to fraction form
    389,744.13/537,848.51 = 210,896.13/x
  3. Step 3: Cross multiply
    389,744.13x = 537,848.51 × 210,896.13
  4. Step 4: Simplify right side
    389,744.13x = 113,430,167,123.26
  5. Step 5: Solve for x
    x = 113,430,167,123.26/389,744.13
  6. Step 6: Final answer
    x = 291,037.53

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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.