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Finding the Fourth Proportional to 377,009.79, 565,917.54 and 152,516.98

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Solution

The fourth proportional to 377,009.79, 565,917.54 and 152,516.98 is: 228,938.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,009.79 : 565,917.54 = 152,516.98 : x
  2. Step 2: Convert to fraction form
    377,009.79/565,917.54 = 152,516.98/x
  3. Step 3: Cross multiply
    377,009.79x = 565,917.54 × 152,516.98
  4. Step 4: Simplify right side
    377,009.79x = 86,312,031,082.00
  5. Step 5: Solve for x
    x = 86,312,031,082.00/377,009.79
  6. Step 6: Final answer
    x = 228,938.43

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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.