Home / 302,452.20-453,656.43-144,638.28

Finding the Fourth Proportional to 302,452.20, 453,656.43 and 144,638.28

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Solution

The fourth proportional to 302,452.20, 453,656.43 and 144,638.28 is: 216,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,452.20 : 453,656.43 = 144,638.28 : x
  2. Step 2: Convert to fraction form
    302,452.20/453,656.43 = 144,638.28/x
  3. Step 3: Cross multiply
    302,452.20x = 453,656.43 × 144,638.28
  4. Step 4: Simplify right side
    302,452.20x = 65,616,085,746.14
  5. Step 5: Solve for x
    x = 65,616,085,746.14/302,452.20
  6. Step 6: Final answer
    x = 216,946.96

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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.