Home / 447,742.11-671,662.37-223,159.08

Finding the Fourth Proportional to 447,742.11, 671,662.37 and 223,159.08

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Solution

The fourth proportional to 447,742.11, 671,662.37 and 223,159.08 is: 334,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,742.11 : 671,662.37 = 223,159.08 : x
  2. Step 2: Convert to fraction form
    447,742.11/671,662.37 = 223,159.08/x
  3. Step 3: Cross multiply
    447,742.11x = 671,662.37 × 223,159.08
  4. Step 4: Simplify right side
    447,742.11x = 149,887,552,085.71
  5. Step 5: Solve for x
    x = 149,887,552,085.71/447,742.11
  6. Step 6: Final answer
    x = 334,763.14

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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.