Home / 340,219.17-469,501.92-211,109.63

Finding the Fourth Proportional to 340,219.17, 469,501.92 and 211,109.63

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Solution

The fourth proportional to 340,219.17, 469,501.92 and 211,109.63 is: 291,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,219.17 : 469,501.92 = 211,109.63 : x
  2. Step 2: Convert to fraction form
    340,219.17/469,501.92 = 211,109.63/x
  3. Step 3: Cross multiply
    340,219.17x = 469,501.92 × 211,109.63
  4. Step 4: Simplify right side
    340,219.17x = 99,116,374,267.98
  5. Step 5: Solve for x
    x = 99,116,374,267.98/340,219.17
  6. Step 6: Final answer
    x = 291,330.95

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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.