Home / 283,938.40-425,907.60-159,263.20

Finding the Fourth Proportional to 283,938.40, 425,907.60 and 159,263.20

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Solution

The fourth proportional to 283,938.40, 425,907.60 and 159,263.20 is: 238,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,938.40 : 425,907.60 = 159,263.20 : x
  2. Step 2: Convert to fraction form
    283,938.40/425,907.60 = 159,263.20/x
  3. Step 3: Cross multiply
    283,938.40x = 425,907.60 × 159,263.20
  4. Step 4: Simplify right side
    283,938.40x = 67,831,407,280.32
  5. Step 5: Solve for x
    x = 67,831,407,280.32/283,938.40
  6. Step 6: Final answer
    x = 238,894.80

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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.