Home / 340,327.50-469,651.95-189,421.26

Finding the Fourth Proportional to 340,327.50, 469,651.95 and 189,421.26

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Solution

The fourth proportional to 340,327.50, 469,651.95 and 189,421.26 is: 261,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,327.50 : 469,651.95 = 189,421.26 : x
  2. Step 2: Convert to fraction form
    340,327.50/469,651.95 = 189,421.26/x
  3. Step 3: Cross multiply
    340,327.50x = 469,651.95 × 189,421.26
  4. Step 4: Simplify right side
    340,327.50x = 88,962,064,130.46
  5. Step 5: Solve for x
    x = 88,962,064,130.46/340,327.50
  6. Step 6: Final answer
    x = 261,401.34

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1.5x scale

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.