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Finding the Fourth Proportional to 370,282.08, 510,638.25 and 255,377.10

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Solution

The fourth proportional to 370,282.08, 510,638.25 and 255,377.10 is: 352,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,282.08 : 510,638.25 = 255,377.10 : x
  2. Step 2: Convert to fraction form
    370,282.08/510,638.25 = 255,377.10/x
  3. Step 3: Cross multiply
    370,282.08x = 510,638.25 × 255,377.10
  4. Step 4: Simplify right side
    370,282.08x = 130,405,315,434.08
  5. Step 5: Solve for x
    x = 130,405,315,434.08/370,282.08
  6. Step 6: Final answer
    x = 352,178.31

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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.