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Finding the Fourth Proportional to 375,503.54, 563,255.19 and 249,390

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Solution

The fourth proportional to 375,503.54, 563,255.19 and 249,390 is: 374,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,503.54 : 563,255.19 = 249,390 : x
  2. Step 2: Convert to fraction form
    375,503.54/563,255.19 = 249,390/x
  3. Step 3: Cross multiply
    375,503.54x = 563,255.19 × 249,390
  4. Step 4: Simplify right side
    375,503.54x = 140,470,211,834.10
  5. Step 5: Solve for x
    x = 140,470,211,834.10/375,503.54
  6. Step 6: Final answer
    x = 374,084.93

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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.