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Finding the Fourth Proportional to 376,701.74, 519,984.87 and 249,418.34

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Solution

The fourth proportional to 376,701.74, 519,984.87 and 249,418.34 is: 344,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,701.74 : 519,984.87 = 249,418.34 : x
  2. Step 2: Convert to fraction form
    376,701.74/519,984.87 = 249,418.34/x
  3. Step 3: Cross multiply
    376,701.74x = 519,984.87 × 249,418.34
  4. Step 4: Simplify right side
    376,701.74x = 129,693,763,100.52
  5. Step 5: Solve for x
    x = 129,693,763,100.52/376,701.74
  6. Step 6: Final answer
    x = 344,287.67

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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.