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Finding the Fourth Proportional to 377,330.68, 565,996 and 258,642.19

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Solution

The fourth proportional to 377,330.68, 565,996 and 258,642.19 is: 387,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,330.68 : 565,996 = 258,642.19 : x
  2. Step 2: Convert to fraction form
    377,330.68/565,996 = 258,642.19/x
  3. Step 3: Cross multiply
    377,330.68x = 565,996 × 258,642.19
  4. Step 4: Simplify right side
    377,330.68x = 146,390,444,971.24
  5. Step 5: Solve for x
    x = 146,390,444,971.24/377,330.68
  6. Step 6: Final answer
    x = 387,963.27

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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.