Home / 302,328.20-453,540.30-102,667.40

Finding the Fourth Proportional to 302,328.20, 453,540.30 and 102,667.40

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Solution

The fourth proportional to 302,328.20, 453,540.30 and 102,667.40 is: 154,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,328.20 : 453,540.30 = 102,667.40 : x
  2. Step 2: Convert to fraction form
    302,328.20/453,540.30 = 102,667.40/x
  3. Step 3: Cross multiply
    302,328.20x = 453,540.30 × 102,667.40
  4. Step 4: Simplify right side
    302,328.20x = 46,563,803,396.22
  5. Step 5: Solve for x
    x = 46,563,803,396.22/302,328.20
  6. Step 6: Final answer
    x = 154,017.40

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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.