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Finding the Fourth Proportional to 458,248.22, 632,389.42 and 254,312.35

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Solution

The fourth proportional to 458,248.22, 632,389.42 and 254,312.35 is: 350,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,248.22 : 632,389.42 = 254,312.35 : x
  2. Step 2: Convert to fraction form
    458,248.22/632,389.42 = 254,312.35/x
  3. Step 3: Cross multiply
    458,248.22x = 632,389.42 × 254,312.35
  4. Step 4: Simplify right side
    458,248.22x = 160,824,439,515.34
  5. Step 5: Solve for x
    x = 160,824,439,515.34/458,248.22
  6. Step 6: Final answer
    x = 350,954.86

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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.