Home / 312,267.18-430,936.56-191,475

Finding the Fourth Proportional to 312,267.18, 430,936.56 and 191,475

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Solution

The fourth proportional to 312,267.18, 430,936.56 and 191,475 is: 264,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,267.18 : 430,936.56 = 191,475 : x
  2. Step 2: Convert to fraction form
    312,267.18/430,936.56 = 191,475/x
  3. Step 3: Cross multiply
    312,267.18x = 430,936.56 × 191,475
  4. Step 4: Simplify right side
    312,267.18x = 82,513,577,826
  5. Step 5: Solve for x
    x = 82,513,577,826/312,267.18
  6. Step 6: Final answer
    x = 264,240.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.