Home / 288,709.40-432,833.70-122,360.60

Finding the Fourth Proportional to 288,709.40, 432,833.70 and 122,360.60

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Solution

The fourth proportional to 288,709.40, 432,833.70 and 122,360.60 is: 183,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,709.40 : 432,833.70 = 122,360.60 : x
  2. Step 2: Convert to fraction form
    288,709.40/432,833.70 = 122,360.60/x
  3. Step 3: Cross multiply
    288,709.40x = 432,833.70 × 122,360.60
  4. Step 4: Simplify right side
    288,709.40x = 52,961,791,232.22
  5. Step 5: Solve for x
    x = 52,961,791,232.22/288,709.40
  6. Step 6: Final answer
    x = 183,443.25

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1.5x scale

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.