Home / 421,595.23-581,786.85-240,365.53

Finding the Fourth Proportional to 421,595.23, 581,786.85 and 240,365.53

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Solution

The fourth proportional to 421,595.23, 581,786.85 and 240,365.53 is: 331,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,595.23 : 581,786.85 = 240,365.53 : x
  2. Step 2: Convert to fraction form
    421,595.23/581,786.85 = 240,365.53/x
  3. Step 3: Cross multiply
    421,595.23x = 581,786.85 × 240,365.53
  4. Step 4: Simplify right side
    421,595.23x = 139,841,502,903.33
  5. Step 5: Solve for x
    x = 139,841,502,903.33/421,595.23
  6. Step 6: Final answer
    x = 331,696.12

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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.