Home / 519,935.85-779,931.45-164,977.65

Finding the Fourth Proportional to 519,935.85, 779,931.45 and 164,977.65

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Solution

The fourth proportional to 519,935.85, 779,931.45 and 164,977.65 is: 247,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,935.85 : 779,931.45 = 164,977.65 : x
  2. Step 2: Convert to fraction form
    519,935.85/779,931.45 = 164,977.65/x
  3. Step 3: Cross multiply
    519,935.85x = 779,931.45 × 164,977.65
  4. Step 4: Simplify right side
    519,935.85x = 128,671,257,782.09
  5. Step 5: Solve for x
    x = 128,671,257,782.09/519,935.85
  6. Step 6: Final answer
    x = 247,475.26

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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.