Home / 288,829.40-433,013.70-122,480.60

Finding the Fourth Proportional to 288,829.40, 433,013.70 and 122,480.60

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Solution

The fourth proportional to 288,829.40, 433,013.70 and 122,480.60 is: 183,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,829.40 : 433,013.70 = 122,480.60 : x
  2. Step 2: Convert to fraction form
    288,829.40/433,013.70 = 122,480.60/x
  3. Step 3: Cross multiply
    288,829.40x = 433,013.70 × 122,480.60
  4. Step 4: Simplify right side
    288,829.40x = 53,035,777,784.22
  5. Step 5: Solve for x
    x = 53,035,777,784.22/288,829.40
  6. Step 6: Final answer
    x = 183,623.20

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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.