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Finding the Fourth Proportional to 288,614.34, 430,808.01 and 254,526.54

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Solution

The fourth proportional to 288,614.34, 430,808.01 and 254,526.54 is: 379,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,614.34 : 430,808.01 = 254,526.54 : x
  2. Step 2: Convert to fraction form
    288,614.34/430,808.01 = 254,526.54/x
  3. Step 3: Cross multiply
    288,614.34x = 430,808.01 × 254,526.54
  4. Step 4: Simplify right side
    288,614.34x = 109,652,072,189.59
  5. Step 5: Solve for x
    x = 109,652,072,189.59/288,614.34
  6. Step 6: Final answer
    x = 379,925.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.