Home / 423,064.52-634,598.94-142,584.20

Finding the Fourth Proportional to 423,064.52, 634,598.94 and 142,584.20

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Solution

The fourth proportional to 423,064.52, 634,598.94 and 142,584.20 is: 213,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,064.52 : 634,598.94 = 142,584.20 : x
  2. Step 2: Convert to fraction form
    423,064.52/634,598.94 = 142,584.20/x
  3. Step 3: Cross multiply
    423,064.52x = 634,598.94 × 142,584.20
  4. Step 4: Simplify right side
    423,064.52x = 90,483,782,180.75
  5. Step 5: Solve for x
    x = 90,483,782,180.75/423,064.52
  6. Step 6: Final answer
    x = 213,877.03

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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.