Home / 342,386.24-513,301.03-142,855.29

Finding the Fourth Proportional to 342,386.24, 513,301.03 and 142,855.29

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Solution

The fourth proportional to 342,386.24, 513,301.03 and 142,855.29 is: 214,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,386.24 : 513,301.03 = 142,855.29 : x
  2. Step 2: Convert to fraction form
    342,386.24/513,301.03 = 142,855.29/x
  3. Step 3: Cross multiply
    342,386.24x = 513,301.03 × 142,855.29
  4. Step 4: Simplify right side
    342,386.24x = 73,327,767,140.81
  5. Step 5: Solve for x
    x = 73,327,767,140.81/342,386.24
  6. Step 6: Final answer
    x = 214,166.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.