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Finding the Fourth Proportional to 288,903.60, 433,000.44 and 162,277.64

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Solution

The fourth proportional to 288,903.60, 433,000.44 and 162,277.64 is: 243,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,903.60 : 433,000.44 = 162,277.64 : x
  2. Step 2: Convert to fraction form
    288,903.60/433,000.44 = 162,277.64/x
  3. Step 3: Cross multiply
    288,903.60x = 433,000.44 × 162,277.64
  4. Step 4: Simplify right side
    288,903.60x = 70,266,289,522.16
  5. Step 5: Solve for x
    x = 70,266,289,522.16/288,903.60
  6. Step 6: Final answer
    x = 243,217.08

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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.