Home / 301,018.35-451,526.63-76,378.35

Finding the Fourth Proportional to 301,018.35, 451,526.63 and 76,378.35

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Solution

The fourth proportional to 301,018.35, 451,526.63 and 76,378.35 is: 114,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,018.35 : 451,526.63 = 76,378.35 : x
  2. Step 2: Convert to fraction form
    301,018.35/451,526.63 = 76,378.35/x
  3. Step 3: Cross multiply
    301,018.35x = 451,526.63 × 76,378.35
  4. Step 4: Simplify right side
    301,018.35x = 34,486,858,598.57
  5. Step 5: Solve for x
    x = 34,486,858,598.57/301,018.35
  6. Step 6: Final answer
    x = 114,567.30

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1.5x scale

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.