Home / 355,491.02-533,237.08-142,354.92

Finding the Fourth Proportional to 355,491.02, 533,237.08 and 142,354.92

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Solution

The fourth proportional to 355,491.02, 533,237.08 and 142,354.92 is: 213,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,491.02 : 533,237.08 = 142,354.92 : x
  2. Step 2: Convert to fraction form
    355,491.02/533,237.08 = 142,354.92/x
  3. Step 3: Cross multiply
    355,491.02x = 533,237.08 × 142,354.92
  4. Step 4: Simplify right side
    355,491.02x = 75,908,921,864.43
  5. Step 5: Solve for x
    x = 75,908,921,864.43/355,491.02
  6. Step 6: Final answer
    x = 213,532.60

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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.