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Finding the Fourth Proportional to 289,325.60, 433,988.40 and 242,669.60

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Solution

The fourth proportional to 289,325.60, 433,988.40 and 242,669.60 is: 364,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,325.60 : 433,988.40 = 242,669.60 : x
  2. Step 2: Convert to fraction form
    289,325.60/433,988.40 = 242,669.60/x
  3. Step 3: Cross multiply
    289,325.60x = 433,988.40 × 242,669.60
  4. Step 4: Simplify right side
    289,325.60x = 105,315,791,432.64
  5. Step 5: Solve for x
    x = 105,315,791,432.64/289,325.60
  6. Step 6: Final answer
    x = 364,004.40

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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.