Home / 426,300.11-639,110.96-246,181.07

Finding the Fourth Proportional to 426,300.11, 639,110.96 and 246,181.07

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Solution

The fourth proportional to 426,300.11, 639,110.96 and 246,181.07 is: 369,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,300.11 : 639,110.96 = 246,181.07 : x
  2. Step 2: Convert to fraction form
    426,300.11/639,110.96 = 246,181.07/x
  3. Step 3: Cross multiply
    426,300.11x = 639,110.96 × 246,181.07
  4. Step 4: Simplify right side
    426,300.11x = 157,337,021,271.58
  5. Step 5: Solve for x
    x = 157,337,021,271.58/426,300.11
  6. Step 6: Final answer
    x = 369,075.72

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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.