Home / 254,430.18-383,474.08-219,315.33

Finding the Fourth Proportional to 254,430.18, 383,474.08 and 219,315.33

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Solution

The fourth proportional to 254,430.18, 383,474.08 and 219,315.33 is: 330,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,430.18 : 383,474.08 = 219,315.33 : x
  2. Step 2: Convert to fraction form
    254,430.18/383,474.08 = 219,315.33/x
  3. Step 3: Cross multiply
    254,430.18x = 383,474.08 × 219,315.33
  4. Step 4: Simplify right side
    254,430.18x = 84,101,744,675.79
  5. Step 5: Solve for x
    x = 84,101,744,675.79/254,430.18
  6. Step 6: Final answer
    x = 330,549.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.