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Finding the Fourth Proportional to 289,035.60, 432,532.80 and 252,002.40

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Solution

The fourth proportional to 289,035.60, 432,532.80 and 252,002.40 is: 377,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,035.60 : 432,532.80 = 252,002.40 : x
  2. Step 2: Convert to fraction form
    289,035.60/432,532.80 = 252,002.40/x
  3. Step 3: Cross multiply
    289,035.60x = 432,532.80 × 252,002.40
  4. Step 4: Simplify right side
    289,035.60x = 108,999,303,678.72
  5. Step 5: Solve for x
    x = 108,999,303,678.72/289,035.60
  6. Step 6: Final answer
    x = 377,113.77

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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.