Home / 318,533.04-477,467.40-129,124.14

Finding the Fourth Proportional to 318,533.04, 477,467.40 and 129,124.14

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Solution

The fourth proportional to 318,533.04, 477,467.40 and 129,124.14 is: 193,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,533.04 : 477,467.40 = 129,124.14 : x
  2. Step 2: Convert to fraction form
    318,533.04/477,467.40 = 129,124.14/x
  3. Step 3: Cross multiply
    318,533.04x = 477,467.40 × 129,124.14
  4. Step 4: Simplify right side
    318,533.04x = 61,652,565,128.32
  5. Step 5: Solve for x
    x = 61,652,565,128.32/318,533.04
  6. Step 6: Final answer
    x = 193,551.56

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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.