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Finding the Fourth Proportional to 447,624.89, 671,444.32 and 249,206.41

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Solution

The fourth proportional to 447,624.89, 671,444.32 and 249,206.41 is: 373,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,624.89 : 671,444.32 = 249,206.41 : x
  2. Step 2: Convert to fraction form
    447,624.89/671,444.32 = 249,206.41/x
  3. Step 3: Cross multiply
    447,624.89x = 671,444.32 × 249,206.41
  4. Step 4: Simplify right side
    447,624.89x = 167,328,228,502.09
  5. Step 5: Solve for x
    x = 167,328,228,502.09/447,624.89
  6. Step 6: Final answer
    x = 373,813.50

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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.