Home / 355,946.10-533,919.15-145,514.10

Finding the Fourth Proportional to 355,946.10, 533,919.15 and 145,514.10

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Solution

The fourth proportional to 355,946.10, 533,919.15 and 145,514.10 is: 218,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,946.10 : 533,919.15 = 145,514.10 : x
  2. Step 2: Convert to fraction form
    355,946.10/533,919.15 = 145,514.10/x
  3. Step 3: Cross multiply
    355,946.10x = 533,919.15 × 145,514.10
  4. Step 4: Simplify right side
    355,946.10x = 77,692,764,585.02
  5. Step 5: Solve for x
    x = 77,692,764,585.02/355,946.10
  6. Step 6: Final answer
    x = 218,271.15

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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.