Home / 377,427.60-566,141.40-128,109.60

Finding the Fourth Proportional to 377,427.60, 566,141.40 and 128,109.60

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Solution

The fourth proportional to 377,427.60, 566,141.40 and 128,109.60 is: 192,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,427.60 : 566,141.40 = 128,109.60 : x
  2. Step 2: Convert to fraction form
    377,427.60/566,141.40 = 128,109.60/x
  3. Step 3: Cross multiply
    377,427.60x = 566,141.40 × 128,109.60
  4. Step 4: Simplify right side
    377,427.60x = 72,528,148,297.44
  5. Step 5: Solve for x
    x = 72,528,148,297.44/377,427.60
  6. Step 6: Final answer
    x = 192,164.40

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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.