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Finding the Fourth Proportional to 458,017.53, 632,139.81 and 254,134.05

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Solution

The fourth proportional to 458,017.53, 632,139.81 and 254,134.05 is: 350,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,017.53 : 632,139.81 = 254,134.05 : x
  2. Step 2: Convert to fraction form
    458,017.53/632,139.81 = 254,134.05/x
  3. Step 3: Cross multiply
    458,017.53x = 632,139.81 × 254,134.05
  4. Step 4: Simplify right side
    458,017.53x = 160,648,250,081.53
  5. Step 5: Solve for x
    x = 160,648,250,081.53/458,017.53
  6. Step 6: Final answer
    x = 350,746.95

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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.