Home / 447,284.07-671,071.91-210,650.67

Finding the Fourth Proportional to 447,284.07, 671,071.91 and 210,650.67

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Solution

The fourth proportional to 447,284.07, 671,071.91 and 210,650.67 is: 316,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,284.07 : 671,071.91 = 210,650.67 : x
  2. Step 2: Convert to fraction form
    447,284.07/671,071.91 = 210,650.67/x
  3. Step 3: Cross multiply
    447,284.07x = 671,071.91 × 210,650.67
  4. Step 4: Simplify right side
    447,284.07x = 141,361,746,406.43
  5. Step 5: Solve for x
    x = 141,361,746,406.43/447,284.07
  6. Step 6: Final answer
    x = 316,044.67

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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.