Home / 458,139.06-632,220-254,189.16

Finding the Fourth Proportional to 458,139.06, 632,220 and 254,189.16

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Solution

The fourth proportional to 458,139.06, 632,220 and 254,189.16 is: 350,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,139.06 : 632,220 = 254,189.16 : x
  2. Step 2: Convert to fraction form
    458,139.06/632,220 = 254,189.16/x
  3. Step 3: Cross multiply
    458,139.06x = 632,220 × 254,189.16
  4. Step 4: Simplify right side
    458,139.06x = 160,703,470,735.20
  5. Step 5: Solve for x
    x = 160,703,470,735.20/458,139.06
  6. Step 6: Final answer
    x = 350,774.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.