Home / 376,421.22-519,502.59-215,291.34

Finding the Fourth Proportional to 376,421.22, 519,502.59 and 215,291.34

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Solution

The fourth proportional to 376,421.22, 519,502.59 and 215,291.34 is: 297,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,421.22 : 519,502.59 = 215,291.34 : x
  2. Step 2: Convert to fraction form
    376,421.22/519,502.59 = 215,291.34/x
  3. Step 3: Cross multiply
    376,421.22x = 519,502.59 × 215,291.34
  4. Step 4: Simplify right side
    376,421.22x = 111,844,408,734.57
  5. Step 5: Solve for x
    x = 111,844,408,734.57/376,421.22
  6. Step 6: Final answer
    x = 297,125.67

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1.5x scale

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.