Home / 423,021.39-634,373.07-170,216.03

Finding the Fourth Proportional to 423,021.39, 634,373.07 and 170,216.03

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Solution

The fourth proportional to 423,021.39, 634,373.07 and 170,216.03 is: 255,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,021.39 : 634,373.07 = 170,216.03 : x
  2. Step 2: Convert to fraction form
    423,021.39/634,373.07 = 170,216.03/x
  3. Step 3: Cross multiply
    423,021.39x = 634,373.07 × 170,216.03
  4. Step 4: Simplify right side
    423,021.39x = 107,980,466,461.94
  5. Step 5: Solve for x
    x = 107,980,466,461.94/423,021.39
  6. Step 6: Final answer
    x = 255,260.06

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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.