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Finding the Fourth Proportional to 376,707.02, 519,992.16 and 249,423.62

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Solution

The fourth proportional to 376,707.02, 519,992.16 and 249,423.62 is: 344,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,707.02 : 519,992.16 = 249,423.62 : x
  2. Step 2: Convert to fraction form
    376,707.02/519,992.16 = 249,423.62/x
  3. Step 3: Cross multiply
    376,707.02x = 519,992.16 × 249,423.62
  4. Step 4: Simplify right side
    376,707.02x = 129,698,326,918.82
  5. Step 5: Solve for x
    x = 129,698,326,918.82/376,707.02
  6. Step 6: Final answer
    x = 344,294.96

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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.